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1101.
Assistant Professor in Production Engineering - Technical Education Engineering Colleges
8:21 70,20 ಎ0

‎70,೫170‏ صن

‎D:-ZH ಎ0, 20 = 0, 2M

‎Correct Answer:- Option-D
Questions:-The point of contraflexure in 3 beam is the point where
‘AcBending moment is maximum
B:-Bending moment and shear force both are either zero or change sign
೦-೦೧1 bending moment is zero or changes sign
Bending moment is minimum
Correct Answer: Option-C
Question9:-The following ingredient impart quick setting property to cement
AcA.... See more

1102.
Assistant Executive Engineer - Apex Societies of Co operative Sector in Kerala
॥ Organizing for safety
10. Scheduling for safety
1೪. Controlling for safety
Aci Ill and IV are correct
Bell ॥ 04 IV are correct
Cel, Hand ۱۷ are correct
De, and ‏الا‎ are correct
Correct Answer: Option-C
Question26:-Determine the amount of cement per Unit volume of concrete from
‏ناک نظ‎ value
B:-The maximum size of aggregate
एना amount of mixing water
Di-The maximum size of aggregate and the amount of mixing waterSee more

1103.
Higher Secondary School Teacher in Zoology - Kerala Higher Secondary Education
‘Ac Four genes were inactivated
B:-Six humans genes were inserted into the pig genome
C-Retroviruses were removed
०-५॥ of the above
Correct Answer:- Option-D
Question66:-Pigs exposed to the coronavirus don't show clinical signs of disease nor do they transmit the virus to other animals. Find the reason
‘Ache infected pig cells underwent necrosis,
B:-The infected pig cells underwent apoptosis
C-The uninfected pig cells underwent necrosis
D-None of the.... See more

1104.
Instructor Grade I in Chemical Engineering (Engineering Colleges) - Technical Education
PROVISIONAL ANSWER KEY

Question Paper 6०८९; 67/2022/0L
Category Code: 292/2020

Exam: Instructor Grade 11೧ Chemical Engineering (Engineering Colleges)
Date of Test 17-08-2022

Department Technical Education

Alphacode A

QuestionL:-The pressure drop in pumping water at 30°C (viscosity = 1 29) through a pipe of 5 cm diameter through a distance of 100 m at a velocity 0.002 m/s is
‏وم 256ھ‎
8:-25.6 Pa
C256 Pa
0.256 Pa<.... See more

1105.
Mechanical Draughtsman - Travancore Cochin Chemicals Limited
c-Only (i and i)
ലി ofthe above (iii and 10)
Correct Answer:- Option-D
‘Question15::Which one of the following is used for bringing the sheet metal closely together after inserting the rivet in the hole?
കം
७२५०५०८
ടോ
0-೦11:
Correct Answer: ೦೧0078.
‘Question16::Which one ofthe following is not a part of diesel engine?
‘Ac Fuel injector
7;
Fuel pump
D:-Spark plug
Correct Answer:- Option-D
Question17:.... See more

1106.
Mechanical Draughtsman - Travancore Cochin Chemicals Limited
5:7596
Correct Answer:- ೦೧000
Question78:-Example of second order lever
‘AcClaw hammer
8:-8 pair of scissors
C:Handle of tube well pump
DA wheel barrow
Correct Answer:- Option-D
Question79:-The ratio of distance moved by effort to the distance moved by load is termed as
Acéffort
B-Load
C:Velocity ratio
1
டட ப
Question80:-A load 1200 kg is lifted using a simple machine having velocity ratio of 5, Find out the efficiency of machi.... See more

1107.
Offset Printing Machine Operator Grade II - Printing Government Presses
Correct Answer:- Option B
Question97:-Name an electrical component that limits or regulates the flow of electrical current in an electronic circuit.
‘A-Capacitor
B:-Diode
CoResistor
D-ransformer
Correct Answer: Option-C
Question98:-The most common type of gears and have straight teeth and are parallel to the axis of the wheel
‘AcSpur gear
B:-Worm gear
CeBevel gear
D:-Helical gear
Correct Answer:- ೦೧000
Question99:-Which of the following.... See more

1108.
Demonstrator in Electronics and Instrumentation & Demonstrator in Instrument Technology
72.

73.

74.

75.

76.

77.

78.

79.

80.

129/22

Detector used in infrared spectrophotometer when a response time of 0.5 ms is
required

A) Photoconductive cell B) Golay cell

C) Thermocouple D) Bolometer

In ECG waveform wave represents repolarisation of both ventricles.
A) QRS complex B) P wave

C) T wave D) U wave

In EEG m/m number of electrode locations in the .... See more

1109.
Assistant Engineer
76.

77.

78.

79.

80.

81.

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83.

84.

Free residual chlorine is seen in :
(A) Natural water ൯) Polluted water
(C) Treated water (D)_ Allof the above

Reciprocating pump is used for :
(A) High discharge and high head (B) Low discharge and high head
(C) High discharge and low head (D) Low discharge and low head

Which of the following is not tested during physical analysis of water?
See more

1110.
Station Officer (Trainee)
65.

66.

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68.

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70.

71.

72.

73.

018/23

Major constituent chemical in ABC dry chemical powder is
A) Mono ammonium phosphate

B) Ethyl methyl acetate

C) Sodium bicarbonate

D) Sulphur dioxide

What is the colour of the sprinkler bulb of sprinkler system operating at 79 degree
Celsius ?

A) Green B) Blue
C) Red D) Yellow

What is the working prin.... See more

1111.
Station Officer (Trainee)
018/23

74.

75.

76.

77.

78.

79.

80.

81.

The chemical constituents of TEC powder

A) Sodium Chloride, Potassium Chloride, Barium Chloride
B) Sodium Chloride, Calcium Chloride, Barium Chloride

C) Sodium Chloride, Calcium Chloride, Potassium Chloride
D) Sodium Chloride, Calcium Chloride, Magnesium Chloride

The acronym BLEVE stands for

A) Boiling Liquid Expanding Vapour Explosio.... See more

1112.
Motor Mechanic, Tradesman (Automobile Mechanic) - Health Services,
15.

16.

17.

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072/23

The mass of air required to burn a unit mass of fuel with no excess of oxygen or fuel

left over is known as
A) Specific heat
C) Volumetric efficiency

Catalytic convertor is the part of
A) Evaporative emission
C) Fuel tank emission

The unit of engine torque is mentioned in
A) 0033 B) Nm

Which statement is correct ?

See more

1113.
Motor Mechanic, Tradesman (Automobile Mechanic) - Health Services,
072/23

37.

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45.

EGR reduces the content of emission.

A) NO, content B) CO content

C) HC content D) H,0 content

In CRDI System high pressure pump develops pressure up to bar.
A) 200 to 2000 B) 10 to 2000

C) 1500 to 3500 D) 3500 to 5000

What is EDC ?

A) Electronic Diesel Control B) Eco Diesel Control

C) Economic Dies.... See more

1114.
Overseer/ Draftsman (Mechanical) Gr I, Draftsman Gr II (Mechanical Engineering), Plant Engineer (Mechanical), Senior Driller, Purchase Assistant etc
28.

29.

30.

31.

32.

33.

34.

065/23

COP of Heat pump is
A) 0 B) 1
C) COP of refrigerator + 1 D) COP of refrigerator - 1

Carnot cycle has

A) Two reversible isotherms and two reversible adiabatic process
B) Two irreversible isotherms and two irreversible adiabatic process
C) Two reversible isochoric and two reversible adiabatic process

D) Two irreversible isochoric and two irreversible.... See more

1115.
Overseer/ Draftsman (Mechanical) Gr I, Draftsman Gr II (Mechanical Engineering), Plant Engineer (Mechanical), Senior Driller, Purchase Assistant etc
93.

94.

95.

96.

97.

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100.

065/23

When two bodies taking part in heat transfer, at zero thermal potential

A) Radiation and conduction cease

B) Radiation and conduction continue

C) Radiation continues
)

D) Conduction continues

Thermal radiation involves
A) Ultra violet and Gamma rays B) Visible light and Infrared rays
C) Infrared rays and Ultrasonic rays .... See more

1116.
Non Vocational Teacher (Senior) Biology, Non Vocational Teacher (Junior) Biology - Kerala Vocational Higher Secondary Education
22.

23.

24.

25.

26.

27.

Which is the most common form of DNA?
(A) A-DNA (B) B-DNA
(C) Z-DNA (D) Triplex DNA

Match List I with List II and select the correct code using the code given below the lists :

List I List II

(a) IgG 1. Predominant in body secretions

(b) IgM 2. Defence against parasite infections

(c) IgA 3. Membrane bound antibody

(6) 0 4. Crosses the placenta
൧ ൭൭.... See more

1117.
Deputy Engineer (Mechanical), Inspector of Factories and Boilers Gr II, Assistant Engineer (Mechanical)
050/23

41.

42.

43.

44.

45.

46.

47.

48.

The volumetric efficiency of a well-designed SI engine lies in the range
4൧) 40 - 50% B) 51-60% C) 61-70% D) 71-90%

In two-stage reciprocating air compressor, the suction and delivery pressures are
1 and 4 bar respectively. For maximum efficiency, the intercooler pressure is

A) 3 bar B) 2.5 bar C) 2bar D) 1.5 bar

If an axial flow compressor .... See more

1118.
Deputy Engineer (Mechanical), Inspector of Factories and Boilers Gr II, Assistant Engineer (Mechanical)
050/23

57.

58.

59.

60.

61.

62.

63.

Surface tension is due to

A) Adhesion B) Gravity and adhesion

C) Stagnation pressure D) Cohesion

The pressure gradient in the horizontal direction (x-direction) in a static fluid is

represented by

00 op
A) —=0 B) +=
Ox न 9
00 OP _
0) --=- D =
) ©= 9 ) പ 9

The Newton’s law of viscosity relates

A) The .... See more

1119.
Tradesman (Diesel Mechanic)
45.

46.

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48.

49.

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53.

074/23

What is the rake angle of cutting teeth in a normal type machine tap ?
A) 12 Degree B) 4 Degree
C) 20 Degree D) 2 Degree

What is the volumetric efficiency of a piston type motor ?
A) 85% B) 50% C) 75% D) 95%

Which material is used for making hand taps ?
A) High speed steel B) Medium carbon steel
C) Mild steel D) Brass

.... See more

1120.
Workshop Instructor/ Demonstrator in Automobile Engineering
091/23

41.

42.

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50.

In a torque converter, the oil leaving the turbine is changed into a helping direction
by curved
A) Pump vanes B) Turbine vanes _C) Stator vanes D) None of these

Freewheeling mechanism contains
A) A planetary gear B) A transmission
C) An over running clutch D) A propeller shaft

On a diaphragm spring clutch, pressing do.... See more

1121.
Workshop Instructor/ Demonstrator in Automobile Engineering
091/23

60.

61.

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67.

Conventional cranes are used for drop weights of up to and drop height below
A) 20 tons and below 100 ft B) 30 tons and below 100 ft
C) 40 tons and below 75 ft D) 50 tons and below 75 ft

The sound of a periodic clunck indicates
A) Broken gear teeth B) Broken clutch
C) Defective synchronizer D) Broken bearing

The maximum pressure that a power st.... See more

1122.
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

1123.
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

1124.
Assistant Professor in Mechanical Engineering
18.

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22.

099/23

Choose the true statement from the following options.

76

A) Parameters of the laminar boundary layer vary as Re,
%

B) Parameters of the turbulent boundary layer vary as Rey

C) Laminar boundary layer develops more rapidly than turbulent boundary layer
D) None of the above

When the boundary layer on the cylinder becomes turbulent, the drag coefficient is
reduced.... See more

1125.
Assistant Professor in Mechanical Engineering
099/23

23.

24.

25.

26.

27.

The general form of expression for continuity equation in a Cartesian co-ordinate
system for unsteady incompressible flow is given by

20 9۷ 20 _ 99. ‏و‎ 2 (ow)=
۵ ‏وو و‎ B) at * ax PU) + ay Ov) + gz low)=0
9 9 0 90५ ov. ow
0) 5x (PU) + 5y (Pv) + 5 (Pw) =0 D) ay’ az 7

If a cylindrical boiler drum kept in the horizontal position is full of water, then the time
ta.... See more

1126.
Lecturer in Mechanical Engineering
71. Multi- stage centrifugal pump is used :
(A) high discharge (B) high speed
(C) high head (D) high efficiency

72. Impulse turbine is generally fitted :
(A) _ little above tail race
(B) same level of tail race
(C) _ slightly below tail race

(D) about 2.5 meters below the tail race

73. Which of the following about Poisson ratio is / are correct?
(1) Applicable with in elastic limit
(2) Ratio of lateral stress by longitudinal strain
(3) R.... See more

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