Question37:-Entropy is a measure of the of a system.
A:-temperature changes only
B:-disorder
C:-orderly behaviour
D:-none of these
Correct Answer:- Option-B

Question38:-Which of the following is a characteristic of an adiabatic process 7
A-AU=0

D:-AV =0
Correct Answer:- Option-C
Question39:-The number of degrees of freedom for a mixture of ice and water are
A2
B:-1
6:3
0:-0
Correct Answer:- Option-B
Question40:-The equatio.... See more

D:-None of these
Correct Answer:- Option-B

Question78:- method is used to detect leaksin Refrigeration system.
A:-Observation
B:-Soap Bubble
C:-Water tank dipping
D:-All of these

Correct Answer:- Option-D
Question79:-Finand tube type evaporator is used in
A:-Window AC
B:-Package AC
C:-Split AC
D:-All of these
Correct Answer:- Option-D
Question80:-Direct Cool Refrigerator is also called as
A:-Conventional type Refrigerator
.... See more

Question19:-Which is the scheme meant for the empowerment of adolescent girls in India?
A:-SAKSHAM
B:-Sakhi
C:-Swadhar
D:-SABLA
Correct Answer:- Option-D
Question20:-Which country has won the 12th ICC under-19 Cricket World Cup?
A:-Australia
B:-India
C:-New Zealand
D:-England
Correct Answer:- Option-B
Question21:-What is/are used for correct fitting?
A:-Fashion
B:-Construction
C:-Measurement
D:-Pattem making
Correct Answer:- Opt.... See more

18,

19,

20,

21,

22,

23,

24,

25,

26,

27,

Which is the Merriam-Webster dictionary’s word of the year for 2017 ?
(ಹ) Socialism (8) Surreal (C) Terrorism (D) Feminism

The 15% Trilateral Meeting of foreign ministers of Russia-India-China (RIC) took place in :
(^) Moscow (B) New Delhi (८) Beijing (D) Hong Kong

Operation launched by India to provide assistance for Rohiangya refugees.... See more

33,

34,

35,

36,

37.

38,

39.

40.

41.

is used to put coal in forge and take out ash from forge.
(A) Tong ) Drift (ಲ) Shovel (D) Fuller
When close the pipe end is required fitting of

(ಹ) Union (8) Socket (ಲ) 70 (D) Cap

The Rolling contact bearings are known as
(ಹ) Plain bearing (8) Anti friction bearing
(ಲ) Plastic bearing (D) Thrust bearing

For shaft in parallel and.... See more

60.

6.

62,

63.

64.

65,

66,

67,

68,

Which pulley is fitted on the belt to increase the arc of contact 7
(ಹಿ) Stepped pulley (B) Cone pulley (ಲ) Jockey pulley (D) Driver pulley

Which tool is used to form the final shape of the rivet during riveting ?
(^) Rivetset (B) மண (ಲ) Snap (D) Drift

A gear which changes the rotary motion into linear motion and vice-versa :
(മ) Bevel ge.... See more

51,

52,

53.

54,

55.

56,

57.

58,

59.

are defined as fitting at the end of soil pipes of waste pipes to prevent foul
gases coming out of waste pipes.
(^) Vent (B) Trap
(¢ Leakage (D) Ventilation

is caused by a fault in the trap or plumbing installation and water on the floor

would be apparent.
(A) Leakage ൫ Joint
(@ டீ (D) Tap

The length along the centre of the pip.... See more

76.

77.

78,

79.

80,

81,

82,

83,

84,

0072020 മ

At what frequency maintenance works are be carried in water heater ?
(ಹ) 3 months (B) 6 months
(0 1year (D) 9 months

The distance between manhole and gully chambers should not exceed
കു 15 ® 10m
(0 6m യ) 73

Waste fittings for wash basine shall be of nominal side
(A) 32mm (9) 40 mm
)© 50mm (D) 63mm

Th.... See more

C:-dos not sag
D:-dos not fig
Correct Answer:- Option-B
Question39:-Which component in gully trap is used to prevent gases from entering waste line
Ac-air seal
8;-0.1 ೦೪67
C:-water seal
5:-61. grating
Correct Answer:- Option-C
Question40:-Which accessories is used to change the direction flow in the pipe .....
A:-water meter
B:-pipe
C:-cocks
D:fittings
Correct Answer:- Option-D
Question41:-The pipe fitting used to connect a service .... See more

PROVISIONAL ANSWER KEY

Question Paper Code: 49/2019/0L
Category Code: 645/2017
Exam: Tradesman (Fitting)NCA
Medium of Question: English
Date of Test 03-10-2019
Department Technical Education
Alphacode A
Question1:-Two opposite sides are equal and parallel and four angles are right angles are called 85 7

A:-Trapezium

B:-Square

C:-Parallelogram

D:-Rectangle

Correct Answer:- Option-B
Question2:-The main title of t.... See more

Correct Answer:- Option-A
Question88:-In the pipe assembly the hemp packing is used?
A:-For easy engagement
B:-To fill the gap between threads
C:-To avoid leakage
D:-To get tight fitting
Correct Answer:- Option-C
Question89:-The circlip is the example for in which following type spring?
A:-Helical spring
B:-Wire spring
C:-Leaf spring
D:-Coil spring
Correct Answer:- Option-C
Question90:-Approximate hardness of HSS Milling?
A:-45 HRC
B:-5.... See more

Question78:Jack in the box phenomenon is seenin ____
A:-Keratoconus
B:-Myopia corrected by LASIK
C:-Contact lens overuse
D:-Aphakia corrected by spectacles
Correct Answer:- Option-D
Question79:-Posterior staphyloma is seen in which condition?
A:-Pathological Myopia
B:-Glaucoma
C:-Comeal lulcer
D:-Trauma
Correct Answer:- Option-A
Question80:-Positional Myopia occurs due to
A:-Stooping forward by patient
B:-Anterior subluxation of lens
C:.... See more

39.

40.

41.

42.

48.

44.

45.

46.

47.

One of the main demerits of using Lime mortar is that :

(ಗ) itis not durable (B) it does not set quickly

(C) it swells (D) it has plastieity
Grading of aggregates in a conerete mix is mainly essential to achieve :

(A) Adequate workability (B) Higher density

(C) Reduction in voids (D) Better durability

Which of the following statem.... See more

41.

42.

43.

44.

45.

46.

47.

48,

Which of the following tests is not used for determining the workability of conerete?
(A) Compacting factor test (B) Blaine’s test
(C) Flow test (D) Vee-bee consistometer test

Identify the statement which is not true. The process of cold working of steel :
(A) increases the yield strength
(B) increases the ductility
(C) decreases the percentage elongation
(D).... See more

91.

92.

93.

94.

95.

96.

97.

98.

99.

100.

029/2020

My brother the answer to the question.

A) is know B) know C) knowing D) knows
1 think | will buy these shirts. me really well.

A) They were fitting B) They fit

C) They are fitting D) They have fit

Where the book ?

A) did you keep B) did you kept

C) kept you D) none of these

At five o.... See more

65.

66.

67.

68.

69.

70.

71.

72.

Which of the following prevents the sewer g
A) Trap
C) Elbow

066/21

8565 to building, in sanitary fittings ?
B) Reducer
D) Cross

Among the following which size of drawing sheet has its surface area 7۶

A) A1 size
C) A2size

In first angle projection in which quadrant th
A) First
©) Third

What is the shape of plan.... See more

44.

45.

46.

47.

48.

49.

50.

51.

52.

A bolt has thread.

A) Internal B) External

C) No threads D) None of these
Standard length of a hacksaw blade is

A) 30 mm B) 30cm C) 30 inch D) 30m

Siphonic action is prevented by
A) Trap B) Cowl

C) Inspection chamber D) Vent pipe

Safety valve controls
A) Air flow B) Water flow

C) Overflow D) Excessive press.... See more

60.

61.

62.

63.

64.

65.

66.

67.

Expand the FD used in building drawings.
A) Fixed Door
C) Floor Dirt

073/21

B) Fixed Din
D) Floor Drain

How effluents from septic tank is disposed off ?

A) soak pit
C) Cesspool

What is the standard size of measuring box
A) 40 x 30 x 20 cm
©) 30 > 30 x20 cm

Why mirror test is carried out ?

A) To check the al.... See more

77

78.

79.

80.

81.

82.

83.

84.

85.

073/21

. 1173 of water is equal to __ litre.
A) 100 B) 1000 C) 10000 D) 4.54
IS number of water closet is
A) IS 2565 8) 6 0) IS 2548 0) IS 2556
Aluminium is extracted from
A) Galena B) Pyrite C) Bauxite D) Limonite
Scour valve is provided for
A) Safety B) Priming
C) Check back flow D) Wash out
Cast Iron Pipes are made of
A) Grey Cast.... See more

15.

16.

17.

18.

19.

20.

21.

22.

Solutions which satisfy the linear constraints and non-negativity conditions of a L.P.P. is
called :

(A) Optimal solution (B) Feasible solution
( Unbounded solution ൯) 21 വ്‌ the above

Maximum value of x” 4-9 subject to the constraint x” ‏تبرج‎ <1 is:
(A) 0 (B) 1
(0) 2 (D) None of these

Moving average method of fitting trend remove.... See more

21. Choose the correct match :

(1)

(2)

(8)

(4)

(A)
(0)

Baking ದ Food to be cooked is surrounded by
hot air
Stewing ದ Gentle method of cooking in closed environment using

only small quantity of fluid

Braising ದ A combination method of roasting and stewing in a
pan with tight fitting lid

Spit roasting ದ Food is brought in direct contact with the flame of a
clear, bright fire

Only (.... See more

26.

27.

28.

29.

80.

31.

92.

33.

An ozone friendly refrigerant is :

(A) Hydro fluorocarbon (8)

(೮) Chloro fluorocarbon (D)
G.W.P means :

(A) Global warming protection (8)

(0) Global warming potential (D)
Which is saturated carbon compound?

(^) Sulphur dioxide (8)

(C) Methane (D)

Chlorine

Freon

Gauge with pressure

All of the abo.... See more

4. Which of the following statement are correct about the additional features of universal
surface gauge?

@ € upright, to which a scriber attached with a snug and clamp nut
(1) The spindle can be set to any position
(111) Fine adjustment can be made quickly

(iv) Consists of a heavy flat base a spindle

(¢) Only 0) and (ii) ൯ 0715 (ii) and (iii)

(C) Only 61) and (iv) (D) Only 61) and (iv)
5. | Which calliper is used to mark the centre of rou.... See more

11.

12.

13.

14.

15.

16.

Which property of metal is called mechanical property?

(A) Conductivity
(C) Tenacity

Rust is formed from iron and which other element?

(A) Hydrogen
(C) Nitrogen

Which metals is most abundant in Earth’s crust?

(A) Calcium
(C) Aluminium

Muntz metal is an alloy of
(A) Copper and Zinc
(C) Copper and Aluminium

Match List I with List IT:
See more

17. What are the raw materials used for manufacturing of SW pipe?
(A) Asbestos fibre, Portland cement and Silica
(B) Good quality fibre
(C) Good quality grey cast iron
(D) Good quality Clay

18. What material is used to manufacture AC pipes?
(^) Asbestos fibre, Clay, Lime
(2) Asbestos fibre, Portland cement and Silica
(C) Asbestos fibre, Lime and Cement
(D) Asbestos fibre, Silica and Lime

19. Which type pipe fitting is used to connect a service pi.... See more

74. Inthe case of CI pipe joints, which options are correct

1. Socket and spigot joint
11. Flanged joint
वा, Collar joint

IV. Adhesive joint
(^) 1876 11 are correct
(೮) 11 गाव III are correct

(8)
(0)

Tand IV are correct
III and IV are correct

75. The slope provided for self-cleansing velocity to 100 mm diameter drain pipe

(ಸ) 1:20
(C) 1:40

76. The collar joint of asbestos cement pipe shall be.... See more