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

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476.
DRAUGHTSMAN GRADE II (MECHANICAL) in KEAEC Ltd and OVERSEER/ DRAFTSMAN (MECHANICAL) GRADE II in PWD/ Irrigation
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The term station point is related to
A) Orthographic
©) Isometric

In a double start thread the lead is equal to
A) 2 times
C) Half

In radial bearing the load acting is
A) Parallel
C) Inclined

What happen when the thermostat valve is
A) Engine quickly over heat
C) Engine missing

066/21

projection.
B) PerspectiveSee more

477.
Junior Instructor (Welder) - Industrial Training
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070/21

In FCAW, what is the percentage of metal deposition of efficiency ?
A) 60% - 65% 8) 70% - 75%
©) 80% - 86% D) 90% - 98%

In GTAW process, the torch nozzle is made of
A) Lead B) Copper
C) Ceramic D) Aluminium

State the purpose of using a gas heater.
A) To increase the gas velocity

B) To remove impurities from CO, gas

C) To improve inert.... See more

478.
Work Superintendent/ Tracer/ Overseer G III/Draftsman Gr II in Agriculture/ KWA/ Soil Survey & Soil Conservation
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068/21

Telescopic gauge is used for

A) Measuring inside size of slots or holes

B) Checking taper bores

C) Checking the clearance between mating surfaces
)

D) Check pitch of the given screw

In 8 M20 thread, M denotes
A) Metric B) Millimeter
C) Morse D) Major diameter

The least count of Vernier bevel protractor is
A) .... See more

479.
Overseer/ Draftsman (Mechanical) Gr III/ Tracer in Irrigation & Draftsman (Mechanical) in KAMCO Ltd
072/21

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Momentum is the product of mass and
A) Force
C) Velocity

Which of the following has no unit ?
A) Stress
C) Mass

The ratio of frictional force to normal reactio
A) Coefficient of friction
C) Moment of inertia

The ratio of Ultimate stress to working 5
A) Poisson’s ratio
C) Young’s modulus

B) Acce.... See more

480.
Engineering Assistant Gr III Department: Kerala State Construction Corporation Ltd
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074/21

In the case of a simple machine, the ratio of load to be lifted to the effort applied is
known as

A) Mechanical advantage B) Velocity ratio

C) Efficiency D) Output

A mass of 10 kg is placed at a height of 30 m from the ground. The potential energy
of the body will be

A) 2600J B) 2500J

C) 2940 D) 300J

A metal piece with a weight of 60 kg is r.... See more

481.
Architectural Head Draftsman - Kerala State Housing Board - Cat.No: 140/2019
076/21

48. Architectural projects designed by Laurie Baker are generally characterized by
P. Appropriate technology
Q. Human scale
R. Interpretation of nine-square model
S. Use of locally available materials

‎D) P,Q,R‏ 8 00 5۹ )8 8ھ
‎The structural system followed in St. Mary’s Axe, London is‏ .49

‎A) Shell B) Diagrid C) Exo-skeleton D) Shear wall
50. Which of the following is not considered as a ‘deconstructivist’ architect ?<.... See more

482.
Assistant Manager (Mechanical)-Travancore Titanium Products Ltd
079/21

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Water hammer in pipes takes place when

A) Fluid flows with very high velocity

B) Fluid flows with very high pressure

C) Flowing fluid is suddenly brought to rest by closing a valve
D) Flowing fluid is gradually brought to rest by closing a valve

Which one is not a rotating machine ?
A) Gear pump B) Centrifugal pump
C) Jet pump D) .... See more

483.
Assistant Engineer (Civil)/ Head Draftsman etc in Irrigation/ LSGD/ KSHB/ KTDC etc Cat.No: 210/2019, 125/2020, 126/2020, 191/2020, 005/2021, 028/2021, 128/2021, 134/2021, 206/2021
102/21

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is abranch of angular surveying in which the horizontal and vertical distances
of points are obtained by optical means.

A) Resection B) Traversing C) Tacheometry D) Radiation

In the case of Prismoidal formula, itis necessary to have number of sectional
areas.

A) Even numbers B) Odd numbers

C) Maximum 100 D) Minimum 3
.... See more

484.
Assistant Engineer (Civil)/ Head Draftsman etc in Irrigation/ LSGD/ KSHB/ KTDC etc Cat.No: 210/2019, 125/2020, 126/2020, 191/2020, 005/2021, 028/2021, 128/2021, 134/2021, 206/2021
102/21

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Which of the following are wrong among the assumptions of Terzaghi’s bearing
capacity theory ?
i. Base footing is smooth.
1. Footing is laid at a shallow depth.
iii. Footing is short, i.e. : L/B ratio is finite.

A) (i) only B) (ii) and (iii) ©) (i) and (iii) D) (i) and (ii)

Which of the following assumption is wrong for the design of a strap footing ?See more

485.
Planning Surveyor Gr II/ Overseer Gr III/ Draftsman Gr III-KSLB/ LSGD
93. The sum of circumference and diameter of a circle is 116 cm. The radius of the circle is:
(A) 14 (B) 28
(C) 15.97 (D) 19.36

94. A machine displaces a load of 150 kg through a distance of 0.4 m, when an effort of 20 kg acts
through a distance of 5 m. The percentage efficiency of the machine is :

(A) 0.6359 (B) 75
(0 45 (D) 60
95. ൧ vehicle starts from rest and attains a velocity of 50 km/hr in 20 sec. Its acceleration is
m/s.
(A) 0.6944 (B) 2.5<.... See more

486.
Electrical Supervisor - Apex Societies & MATSYAFED
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Single phase electrodynamometer Power factor meter consists of

A) Two identical Pressure coils and one current coil which is split up into two parts
B) One pressure coil and two identical current coils

C) One pressure coil and one current coil

D) None of these

Ferro dynamic type frequency meter is a

A) Mechanical resonance type frequ.... See more

487.
Electrical Supervisor - Apex Societies & MATSYAFED
=
52. One lumen/M2 =
A) One lux B) Coulomb C) One candela D) One foot candle
53. The fuse in DC circuit is inserted in
A) Negative line only B) Positive line only
C) Both negative and positive lines D) Either negative or Positive line
54. The unit of solid angle is
A) Lumen B) Lux C) Degree D) Steradian
55, Carbon arc lamps are commonly used in
A) Street lighting B) Cinema hall lighting
C) Cinema projector D) Domestic lighting
56. The HRC fuses are sta.... See more

488.
Electrical Supervisor - Apex Societies & MATSYAFED
=

68. Which of the following statements is/are true regarding mechanical characteristic of a
de shunt motor ?
i. Itis the graph between torque and speed of motor.
॥. Itis the graph between armature current and armature torque.
iii. The shape of the characteristic is linear.
iv. The shape of the characteristics is hyperbolic.
A) Only i and iv B) Only ii and iii
C) Only i and iii D) Only ii and iv

. During the no load test on a 200 ۷, DC shunt motor.... See more

489.
Operator - Kerala Water Authority
51. What is the purpose of soldering on sheet metal joint ?
(^) To avoid bend (B) To avoid crack
(C) To avoid leak (D) To make strengthless

52. Which part in the internal gear pump act as seal ?
(^) Gears (B) Gasket
(C) Sealing ring (D) Cresent shaped spacer

53. Which rivet used in heavy structural work ?
(^) Pan head rivet (B) Snap head rivet

(C) Counter sunk rivet (D) Conical head rivet

54. Which washers are commonly used for structural f.... See more

490.
Operator - Kerala Water Authority
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Which type of filter helps to protect the pump from fluid contaminations ?
(A) Suction filter (B) Magnetic filter
(C) Absorbent filter (D) Mechanical filter

Which of the following is an insulator ?
(A) Copper (B) Aluminium (C) Silver (D) PVC

Which is a good conductor ?
(^) Silver (B) Iron (C) Steel (D) Aluminium

Which law states that “T.... See more

491.
Operator Grade III - Apex Societies of Co-operative Sector & MATSYAFED
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How many electrons are there in the third cell of the copper atom?

(A) 2 (छ) 1

(© 18 (D) 29
Full form of EMF is :

(A) 8100070 Magnetic Force ൯) Electro Motive Force

(C) Electro Mechanical Force (0) Electric Magnitude Force
RMS value =

(^) 1 7 (B) Vmax x 0.707

(C) 2 > Peak value (D) Half of peak value
Copper is .... See more

492.
Operator Grade III - Apex Societies of Co-operative Sector & MATSYAFED
93. A generating station which utilizes the potential energy of water at a high level for the

generation of electrical energy is known ഒട :
(A) Tidal power plant

(C) Nuclear power plant

94. ‏ل‎ turbines are used for high heads :
(ಸಿ) Reaction turbine
(C) Kaplan turbines
95. In nuclear power station, heavy elements such as
fission in a special apparatus known 88 reactor :
(^) Uranium
(C) Carbon

96. Wind energy utilizes :.... See more

493.
Technician Grade II (Electronics)-Kerala Co-operative Milk Marketing Federation Ltd
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The correction of mechanical zero error of panel meter is done :
(ಹ) By replacing moving coil
(B) By replacing pointer
(C) Keeping the meter in vertical position

(D) ‏×ط‎ adjusting the screw

A galvanometer can be converted into voltmeter by connecting a ‏لس‎ with it :
(A) High resistance in series (B) Low resistance in parallel
(C) Battery in.... See more

494.
Operator -Kerala Agro Machinery Corporation Ltd
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Control system in which no feedback is available :

Mechanical switching device which breaks the current under abnormal condition like short

Closed loop
Auto loop

MCB
Fuse

Conventional milling

Down milling

Lead

Base circle

360°

540 minute

Sandwich jig
Channel jig

Machine .... See more

495.
Draftsman Gr II/ Town Planning Surveyor Gr II, Draftsman (Civil) & Tradesman (Civil) - Town & Country Planning, KAMCO & Technical
034/22

73. The axis used to show depth in AutoCAD
A) W axis B) X axis
©) ४ axis D) Zaxis

74. Which command convert discrete object in polyline ?

A) Union B) Subtract
C) Join D) Polyline
75. sets the spacing between the dimension lines of a base line dimension.
A) Line type B) Spacing
C) Base line spacing D) None of these

76. What setting gradient allows us to fill an open area ?
A) Gap B) Tolerance
C) Transparency D) Open
See more

496.
Refrigeration Mechanic - Apex Societies of Co-operative Sector in Kerala/ MATSYAFED
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Which one of the following have eliminators and spray nozzles?
(A) Hygrometer (B) Air washer
(C) Anemometer (D) Pressure gauge

During winter season which one of the following should be controlled with temperature in an
air conditioning system?

(A) Oxygen ൯) Dew point
(C) Pressure (D) Humidity

Ina comfortable AC system the relative humid.... See more

497.
Store Assistant - Kerala State Bamboo Corporation Ltd
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Which is the example of coarse excess current protection?

(A) MCB
(C) HRC fuse

Which is not a property of an insulator?
(A) High dielectric strength
(C) High Permittivity

What is the unit of insulation resistance?
(A) Ampere
(C) Ohm

(B) rewireable type fuse unit
(D) MCCB

(B) High mechanical strength<.... See more

498.
Technician Grade-II (Boiler Operator) - Kerala Co-operative Milk Marketing Federation Ltd
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Which of the following statements is/are correct regarding ‘turbidity’ in feed water?
(i) It indicates coarse particles which settle down in stationary water.

(ii) It is the suspended insoluble matter

(A) Only (i) (B) Only (ii)

(C) Both (i & ii) (D) None of these

The formation of hard surfaces which resists the heat transfer and clogs the passages
in pipes of boiler is ca.... See more

499.
Assistant Engineer - Kerala State Pollution Control Board
31. ^ standard Cipoletti weir is in shape.

(^) Rectangular (B) Triangular
(6) Trapezoidal (D) Circular
32. For highway capacity design, what are the studies needed ?
(A) Origin and destination studies (8) Parking and accident studies
(C) Speed and volume studies (D) Accident studies

33. 1൩ concrete pavements, tie bars are used in which joints 7

(^) Expansion joints (B) Contraction joints
(C) Warping joints (D) Longitudinal joints
34. Mention t.... See more

500.
Foreman (Electrical), Assistant Manager (Electrical) etc - Industries & Commerce, The Kerala Ceramics Ltd etc
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A

The area of hysteresis loop is a measure of
(^) Energy loss per cycle (B) Magnetic flux
(0 Permeance (2) Mmfper cycle

The Faraday’s law of electromagnetic induction and Lenz's law are summarized in the
equation

(^) e=LR (8) e=L di/dt
(0 e=-dy/dt (D) None of the above
The magnetic field required to reduce the residual .... See more

501.
Foreman (Electrical), Assistant Manager (Electrical) etc - Industries & Commerce, The Kerala Ceramics Ltd etc
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100. Which lamp shows stroboscopic effect ?

075/2022 =

Aliasing occurs when
(A) 8 > 29 (B)
(൭ fs>2fr (D)

A signal x(t) = cos(3nt) + 2cos(10zt) is ideally sam

interval between the samples.
(A) 5 seconds (B)
(C) 0.1 seconds (D)

An anti-aliasing filter is a

(A) High pass fil.... See more

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