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Related with 'MECHANICAL ENGINEERING' | We found Total 709 Question paper ..!

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551.
Tradesman (Diesel Mechanic)
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074/23

The venturi in the carburettor causes the
A) Increases of Air velocity B) Decrease of Air velocity

C) Decrease of fuel flow D) Decrease of manifold vacuum

The example of variable venturi type carburettor is the
A) Solex Carburettor B) Zenith Carburettor
C) Carter Carburettor D) Su Carburettor

Exhaust valve usually starts opening

A) At BDC B) .... See more

552.
Overseer Gr II (Electrical), Electrician, Workshop Instructor/ Instructor Gr II/ Demonstrator in Electrical Engineering in Universities, KSFDC, Technical Education
075/23

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Wi

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A)
0)

hich of the following is a bidirectional Thyristor ?
SCR B) TRIAC C) IGBT D) FET

hich of the following commutation method is employed in series inverters ?
Line commutation B) Natural commutation
Load commutation D) All of the above

hich of the following is a dc regulated power supply that p.... See more

553.
Workshop Instructor/ Demonstrator in Automobile Engineering
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091/23

The formula used to determine the value of pressure expected from the cylinder

during the compression stroke.

A) Compression Pressure = atmospheric pressure times the compression ratio
plus atmospheric pressure plus 96 kPa

B) Compression Pressure = atmospheric pressure times the compression ratio
plus atmospheric pressure plus 69 kPa

C) Compression Pressure = atmospheric p.... See more

554.
Non Vocational Teacher Physics (Junior & Senior)
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The unknown particle ‘x’ in the nuclear reaction: kX + p > k* +x

(A) 0 (2) Hyperons
(C) Photons (D) Nucleons
The stable nuclei for a mass number 27 will have an atomic number corresponding to::
(A) Sodium (B) Aluminium
(C) Magnesium (D)_ Silicon
Which statement is incorrect about quarks?
(^) A° consists of 3 quarks (B) Zz consists.... See more

555.
Non Vocational Teacher Physics (Junior & Senior)
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The pulsing technique that is capable of producing the shortest pulse is:
(A) Q-switching ®) Mode-locking
(C) Cavity damping (D) Mechanical Chopper

The vibrational frequency of non-rigid rotator of hydrogen chloride whose centrifugal
distortion constant and rotational constant are given as 10.44 cm™ and 5.28 x 105 ಲ will
be:

(A) 4720 cm (B) 6720 cm
(C.... See more

556.
Draftsman Grade II (Electrical), Skilled Assistant Grade II, Electrician, Lineman in Kerala State Housing Board, PWD (Electrical Wing) etc
113/23

. Match the items in List — 1 to List - 2:

List-1 List -2
1. Current I. Volt
2. Potential difference Il. Ohm
3. Resistance Ill. Ampere
IV. Coulomb
8) 1-1, 2-1५, 3-॥॥ 8) 1-॥, 2-1, 3-॥॥
0) 1-॥, 2-1, 3-॥ 20) 1-1४, 2-1, 3-॥
. One coulomb charge equal to the charge of
A) 1.6 x 10'9 protons B) 10° protons
0) 16 x 10'8 protons D) 6.24 x 10'8 protons

. Aconductor carries 7 coulomb charge for a duration of 10 sec.... See more

557.
Draftsman Grade II (Electrical), Skilled Assistant Grade II, Electrician, Lineman in Kerala State Housing Board, PWD (Electrical Wing) etc
113/23

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In a shaded pole motor the revolving field is produced by

A) winding B) capacitor

C) regulator D) shading ring

How the voltage is reduced in auto transformer starter at the time of starting ?

A) by adding resistance with rotor B) by reducing supply current

C) by using step down transformer D) by adjusting the tappings by.... See more

558.
Assistant Project Engineer - Kerala Land Development Corporation Ltd
109/23

84. In case of canal flow system, a sudden and turbulent but controlled passage of water
at a reach through appropriate functional arrangement is called as hydraulic jump.
In this context, which of the following statement is incorrect ?
A) Flow at the location is classified as rapidly varied flow

B) Passage of water is from subcritical to supercritical state

C) Considerable dissipation of energy is realised

D) Water flow transforms from shal.... See more

559.
Assistant Project Engineer - Kerala Land Development Corporation Ltd
109/23

84. In case of canal flow system, a sudden and turbulent but controlled passage of water
at a reach through appropriate functional arrangement is called as hydraulic jump.
In this context, which of the following statement is incorrect ?
A) Flow at the location is classified as rapidly varied flow

B) Passage of water is from subcritical to supercritical state

C) Considerable dissipation of energy is realised

D) Water flow transforms from shal.... See more

560.
Junior Instructor(Technician Power Electronics System-TPES)
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125/23

The working of SMPS is based on
A) Integral Control Principle

B
0
D) Chopper Principle

)
) Frequency Control Principle

) Phase Control Principle

)

The most suitable device for high frequency inversion in SMPS is

A) BUT B) IGBT C) MOSFET D) GTO

In optical fibers, Rayleigh Scattering is proportional to.... See more

561.
III Grade Overseer / Tracer (Civil) inPublic Works / Irrigation
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122/23

What is the ratio of power output to power input ?
A) Work B) Efficiency
C) Acceleration D) Energy

What is the name of fixed or supporting point of a lever ?
A) Mechanical advantage B) Effort
C) Load D) Fulcrum

When 6 increases, sine value

A) Increases B) Decreases
C) Constant D) 0

Curved area of cylinder isSee more

562.
Work Superintendent - Soil Survey and Soil Conservation
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116/23

The dam made of earth is known as

A) Earthen dam B) Rock filling dam
C) Arch dam D) Gravel dam
A is a horizontal member which lintel is placed across an to support

the position of the structure above it.
A) Bottom rail B) Lock frame

C) Silllevel D) Door frame

What is the minimum area of window with respect to floor area ?
A) 10% of floor a.... See more

563.
Junior Instructor (Computer Hardware and Network Maintenance)
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The layer in ISO-OSI, that define physical, mechanical, electrical characteristics of interfaces
of communication medium :

(^) Physical Layer (B) Data Link Layer
(C) Transport Layer (D) Network Layer

Data segmentation and reassembly is the responsibility is in the layer of :
(^) Physical Layer (B) Data Link Layer
(C) Transport Layer (D) Network La.... See more

564.
LINEMAN GR.I
143/23

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Gears used on the countershaft of a constant mesh gearbox are
A) Spur gears B) Spiral bevel gears
C) Helical gears D) Herringbone gears

When the driver press the clutch pedal ?

A) Release bearing pushes against the inner ends of release fingers
B) Release fingers push the release bearing towards flywheel

C) Release fingers pus.... See more

565.
LABORATORY TECHNICIAN (DRUGS STANDARDIZATION UNIT
155/23

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What is the product obtained at cathode during the electrolysis of aqueous CuSO,
solution ?

A) Hydrogen B) Sulfur dioxide C) Copper D) Oxygen

What is the potential of half-cell consisting of zinc electrode in 0.01M ZnSO,
solution at 25°C, standard electrode potential of zinc, E°7,2+7, = — 0.760V ?

A) 0.819V 8) -0.819/

C) 0.701V 0).... See more

566.
CASHIER(GENERAL CATEGORY), CASHIER (SOCIETY CATEGORY),FIELD OFFICER(GENERAL CATEGORY)( Kerala State Co-Operative Marketing Federation LTD) JUNIOR ASSISTANT ,JUNIOR ASSISTANT (SOCIETY CATEGORY)PART II (Kerala Co operative Milk Marketing Federation Ltd)
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The quorum of last general body is :

2/3 of members
None of these

The power of registrar to remove a duly elected committee of a society from office is

Suspension

Surcharge

William King Model
None of these

Valuation

Vouching

Monitory
None of these

(A) 51% of members (8)
(C.... See more

567.
Town Planning Officer, Assistant Town - Greater Cochin Development Authority, Townand Country Planning Planner
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The Energy Conservation Building Code (ECBC-2017) of India is applicable to buildings or
building complexes that have a connected load of 100 kW or greater or a contract demand of
120 kVA or greater and are intended to be used for commercial purposes. The provisions of
this code apply to:

0) Building envelope and Mechanical systems and equipment including heating,
ventilating and air conditioning, service hot water heating

.... See more

568.
Physiotherapist, Scientific Assistant (Physiotherapy) - Kerala Kerala Sports and Youth Affairs, Insurance Medical Services
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173/23

In natural history of disease, the ‘pathogenesis phase’ is deemed to start upon
A) Entry of disease ‘agent’ in the susceptible human host

B) Appearance of sign and symptoms

C) Appearance of complications

D) Interaction between agent, host and environmental factors

Which of the following is not a direct mode of transmission ?
A) Droplet infection
B) Transplacen.... See more

569.
Copy Holder
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205/23

is the non printable area of the paper held by the mechanical
fingers that pulls the sheet through the printing unit.

A) Gripper Margin B) Clamp Margin
C) Gutter Margin D) For Edge Margin

There are two types of sensors in Digital camera, one is CCD sensor, and the
other is

A) LVD Sensor B) MCOS Sensor
C) CMOS Sensor D) CVD Sensor
<.... See more

570.
Draftsman Gr III/ Overseer Gr III (Mechanical), Draughtsman Gr II (Mechanical) - Harbour Engineering, Kerala Electrical and Allied Engineering Company Ltd
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What is the melting temperature of Tungsten?

(A) 1495°C ®) 181010

(€) 110050 ൫ 33800
Which among the following is not a non-ferrous metal?

(A) Copper (B) Aluminium

(C) Zine (D) Pig iron
Which is the property of a metal to withstand shock or impact?

(^) Toughness (B) Elasticity

(6) Brittleness (D) Hard.... See more

571.
Draftsman Gr III/ Overseer Gr III (Mechanical), Draughtsman Gr II (Mechanical) - Harbour Engineering, Kerala Electrical and Allied Engineering Company Ltd
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Which pulley is used to increase the arc of contact, and also to produce a more tension in the
belts?

(A) Wooden pulley (B) Stepped pulley
(0 Jocky pulley (1) Fast and loose pulley

What is used to make a long shaft by joining the pieces of shaft?
(A) Bearing (B) Keys
(C) Couplings (D) Clutches

Which among the following converts mechanical energy in to.... See more

572.
Junior Manager (Quality Assurance) - Kerala State Civil Supplies Corporation Ltd
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The clearance between the emery roller and cage will gradually narrows from inlet to outlet
allowing the material to pass through the narrowing clearance, mainly cracking and
scratching of husk take place by friction between pulses and emery is known as:

(A) Popping (B) Pitting
(C) Splitting (D) Polishing

Quick cooking cereals are the convenience foods having the technological advancement where
cer.... See more

573.
Motor Mechanic/ Store Assistant
218/23

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Which of the following statements are true about valve overlap ?
Statement 1 : Valve overlap helps in scavenging of exhaust gases.

Statement 2 : Valve overlap is the number of degrees of camshaft rotation during
both valves are open.

A) Both Statements are correct B) Both Statements are incorrect

C) Only Statement 1 is correct D) Only Statement 2 is correc.... See more

574.
Motor Mechanic/ Store Assistant
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218/23

Compression pressure reading of adjacent cylinders are same and less than specific
value indicate

A) Worn out piston rings B) Pitted valves
C) Damaged cylinder head gasket D) Blow-by

To check the mechanical condition of the engine, the vacuum gauge is connected
on the

A) Cylinder head B) Induction manifold
C) Injector D) A.... See more

575.
Mechanic Grade-II -State Farming Corporation of Kerala Ltd
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Heat pump is a device which working in a cycle delivers energy from low temperature system
usually work or energy as required as input :

(A) Latent Heat (B) High Specific Heat
(C) Lower Enthalpy (D) Higher Temperature

We have defined the criterion of reversibility and discussed some factors that render a
process irreversible we have also started that it is impossible to have a.... See more

576.
JUNIOR INSTRUCTOR (SECRETARIAL PRACTICE ENGLISH)
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While your business wants to convey an ordinary matter or main idea to a large audience
is used as business correspondence.

(^) Circulars (B) Messages

(C) Memos (D) E-mails
Payment of rent for Post Box and Post Bag combined together is Rs. —————— with
different numbers.

(A) Rs. 500 (B) Rs. 250

(C) Rs. 300 (D) Rs. 100

In busin.... See more

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