Exam Details

Subject fundamental of mechanical engineering
Paper
Exam / Course diploma engineering
Department
Organization Gujarat Technological University
Position
Exam Date January, 2019
City, State gujarat, ahmedabad


Question Paper

1/9
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING- C to D Bridge Course Examination WINTER 2018
Subject Code: C300015 Date: 08-01-2019
Subject Name: Fundamental Of Mechanical Engineering
Time: 10:30 AM TO 12:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Each question is of 1 mark.
4. Use of only simple calculator is permitted. (Scientific/Higher Version not allowed).
5. English version is authentic
No.
Question Text and Option.
1.
A coupling is used to connect two shafts whose axis intersect
A.
Universal coupling
B.
Oldham's coupling
C.
Bush and pin flange coupling
D.
Clamp coupling


A.

B.

C.

D.

2.
Which of the following element is used to connect two shafts
A.
Cotter joint
B.
Brake
C.
Coupling
D.
All of this


A.

B.

C.

D.

3.
Which of following is not a type of flexible coupling?
A.
Oldham's coupling
B.
Universal coupling
C.
Flange coupling
D.
Bush and pin type flange coupling


A.

B.

C.

D.

4.
is a fire tube boiler
A.
LaMont boiler
B.
Babcock and Wilcox boiler
C.
Cochran boiler
D.
None of the above


A.

B.

C.

D.

5.
is a water tube boiler
A.
Cornish boiler
B.
Babcock and Wilcox boiler
C.
Locomotive boiler
D.
None of the above


A.

B.

C.

D.

6.
is boiler accessory.
A.
Water level indicator
B.
Safety valve
C.
Blow off cock
D.
Economizer


A.

B.

2/9
C.

D.

7.
Which of the following is a boiler mounting?
A.
Economizer
B.
Safety valve
C.
Superheater
D.
Air preheater


A.

B.

C.

D.

8.
Which of the following is a steam generating unit?
A.
Compressor
B.
Boiler
C.
Pump
D.
Turbine


A.

B.

C.

D.

9.
The exact level of water in the boiler is indicated by
A.
Water level indicator
B.
Feed check valve
C.
Blow off cock
D.
Stop valve


A.

B.

C.

D.

10.
It is a machine which converts any type of energy into mechanical energy
A.
Prime mover
B.
Crank shaft
C.
Piston
D.
None of above


A.

B.

C.

D.

11.
Aviation department used turbine.
A.
Steam
B.
Water
C.
Gas
D.
All of above


A.

B.

C.

D.

12.
is a prime mover.
A.
Steam
B.
Water
C.
Gas
D.
All of above


A.

B.

C.

D.

13.
Which of following welding process is based on chemical reaction?
A.
Seam welding
B.
TIG welding
C.
Projection welding
D.
Thermit welding


A.

B.

C.

D.

14.
used to join two metals during brazing process.
A.
Solders
B.
Spelter
C.
Electrodes
D.
Flux


A.

B.

C.

D.

15.
Which of the following is an electric arc welding?
3/9
A.
Metal arc welding
B.
Gas welding
C.
Spot welding
D.
Seam welding


A.

B.

C.

D.

16.
Which one of the following is metal joining process?
A.
Welding
B.
Brazing
C.
Soldering
D.
All of above


A.

B.

C.

D.

17.
The oxygen cylinder is usually painted with
A.
Black colour
B.
White colour
C.
Maroon colour
D.
Yellow colour


A.

B.

C.

D.

18.
Which of the following is permanent fastener?
A.
Welding
B.
Nut and bolt
C.
Button
D.
Cotter pin


A.

B.

C.

D.

19.
Which of the following is not a part of arc welding?
A.
Spark lighter
B.
Gas cylinder
C.
Hose
D.
All of above


A.

B.

C.

D.

20.
What is full form of MIG?
A.
Metal inert gas arc welding
B.
Metal inside gas arc welding
C.
Material inert gas arc welding
D.
None of above

MIG
A.

B.

C.

D.

21.
It is define as mass of fluid matter per unit volume
A.
Capillarity
B.
Density
C.
Specific weight
D.
Specific density


A.

B.

C.

D.

22.
is used for radiator repairing?
A.
Welding
B.
Brazing
C.
Soldering
D.
None of above


A.

B.

C.

D.

23.
Barometer is used to measure
A.
Pressure
B.
Temperature
C.
Electrical energy
D.
Force
4/9


A.

B.

C.

D.

24.
The pressure measured with help of a pressure gauge is called
A.
Atmospheric pressure
B.
Gauge pressure
C.
Absolute pressure
D.
Mean pressure


A.

B.

C.

D.

25.
The weight per unit volume of a liquid is called
A.
Specific gravity
B.
Mass density
C.
Specific weight
D.
None of above


A.

B.

C.

D.

26.
Which drive is suitable for more distance between two shafts in power transmission?
A.
Belt drive
B.
Gear drive
C.
Chain drive
D.
None of above


A.

B.

C.

D.

27.
Spur gear is used to connect
A.
Parallel
B.
Perpendicular
C.
Inclined
D.
All of above


A.

B.

C.

D.

28.
Which of the following gear train has used two or more gears on one shaft?
A.
Simple gear train
B.
Compound gear train
C.
Both A and B above
D.
None of these


A.

B.

C.

D.

29.
Which one of the following is cross sectional shape of V belt
A.
Square
B.
Rectangular
C.
trapezoidal
D.
Triangle


A.

B.

C.

D.

30.
Which gear is used to convert reciprocating motion to rotary motion?
A.
Spur
B.
Bevel
C.
Helical
D.
Rack and pinion


A.

B.

C.

D.

31.
Which drive has a problem of slip?
A.
Flat belt drive
B.
Crossed belt drive
C.
Rope drive
D.
All of above


A.

B.

5/9
C.

D.

32.
Which gear is known as herringbone gear?
A.
Helical gear
B.
Double helical gear
C.
Worm gear
D.
Spur gear


A.

B.

C.

D.

33.
Which of the following is a power transmission device?
A.
Belt drive
B.
Chain drive
C.
Gear drive
D.
All of above


A.

B.

C.

D.

34.
V belts are usually used for
A.
Long drives
B.
Short drives
C.
Long and short drives
D.
None of above


A.

B.

C.

D.

35.
Which of the following gear train has first and last gear wheel co-axial?
A.
Simple gear train
B.
Compound gear train
C.
Reverted gear train
D.
Epicyclic gear train


A.

B.

C.

D.

36.
gear train is mostly used in clocks
A.
Simple gear train
B.
Compound gear train
C.
Reverted gear train
D.
Epicyclic gear train


A.

B.

C.

D.

37.
Which of the following is the positive drive?
A.
Belt drive
B.
Rope drive
C.
Gear drive
D.
All of above


A.

B.

C.

D.

38.
Which type of drive is used in flour mill?
A.
Chain drive
B.
Rope drive
C.
Gear drive
D.
Belt drive


A.

B.

C.

D.

39.
Which one of the following is cause for accident?
A.
Faulty machinery
B.
Improper light and ventilation
C.
Work without concentration
D.
All of above


A.

B.

C.

D.

40.
Which one of the following is a remedy to avoid accidents?
6/9
A.
Wear safety shoes
B.
Wear proper clothes
C.
Knowledge of safety rules
D.
All of above


A.

B.

C.

D.

41.
Which of the following operation is performed on lathe machine?
A.
Drilling
B.
Facing
C.
Boring
D.
All of above


A.

B.

C.

D.

42.
Gear can be best produced on mass production by
A.
Shaping
B.
Casting
C.
Forming
D.
Hobbing


A.

B.

C.

D.

43.
Which of the following is a machining process?
A.
Welding
B.
Turning
C.
Brazing
D.
Soldering


A.

B.

C.

D.

44.
Which of the following is the cold working process?
A.
Cold rolling
B.
Hot rolling
C.
welding
D.
Casting


A.

B.

C.

D.

45.
Petrol engines used in motorbikes are known as engines
A.
Spark ignition
B.
Both A and C
C.
Compression ignition
D.
None of above


A.

B.

C.

D.

46.
What is the function of carburetor to prepare?
A.
Air petrol mixture
B.
Air diesel mixture
C.
Only air supply
D.
Petrol diesel mixture


A.

B.

C.

D.

47.
Spark plug is used in engine?
A.
Diesel
B.
Petrol
C.
CNG
D.
Both B and C


A.

B.

C.

D.

48.
Diesel engine works on
A.
Otto cycle
B.
Carnot cycle
C.
Diesel cycle
D.
Rankine cycle
7/9


A.

B.

C.

D.

49.
In diesel engines, during suction stroke, is drawn in the cylinder.
A.
Air and fuel
B.
Only fuel
C.
Only air
D.
None of above


A.

B.

C.

D.

50.
In a four stroke cycle engine, the sequence of operation is
A.
Suction, compression, power and exhaust
B.
Suction, power, compression and exhaust
C.
Power, compression, suction and exhaust
D.
Compression, power, suction and exhaust


A.

B.

C.

D.

51.
In four stroke engine, the working cycle is completed in ____revolution of crankshaft?
A.
One
B.
Two
C.
Three
D.
Four


A.

B.

C.

D.

52.
Travel of piston from one dead center to other dead center is termed as
A.
Stroke length
B.
Cylinder volume
C.
Clearance volume
D.
Compression ratio


A.

B.

C.

D.

53.
The following is C.I.Engine
A.
Diesel engine
B.
Petrol engine
C.
Gas engine
D.
None of above


A.

B.

C.

D.

54.
Which of the following is not component of centrifugal pump?
A.
Impeller
B.
Piston
C.
Casing
D.
Foot valve


A.

B.

C.

D.

55.
Which pump does require priming?
A.
Reciprocating pump
B.
Centrifugal pump
C.
Both A and B
D.
None of above


A.

B.

C.
A B
D.

56.
The basic function of is to pressurize liquid
A.
Turbine
B.
Pump
C.
Gear
D.
Generator


8/9
A.

B.

C.

D.

57.
Material handling equipments are used to transfer material in direction
A.
Vertical direction
B.
Horizontal direction
C.
Inclined
D.
All of the above


A.

B.

C.

D.

58.
Following of which equipment is used to transfer load in vertical direction?
A.
Belt conveyor
B.
Chain conveyor
C.
Crane
D.
Screw conveyor


A.

B.

C.

D.

59.
Which type of hydraulic device is used in multi store building?
A.
Suspended lift
B.
Hydraulic lift
C.
Hydraulic press
D.
Pneumatic press


A.

B.

C.

D.

60.
Belt conveyor is used to transfer material for
A.
Long distance
B.
Short distance
C.
Both A and B
D.
None of these


A.

B.

C.
A B
D.

61.
A rivet is specified by
A.
Shank diameter
B.
Length of rivet
C.
Type of head
D.
Length of tail


A.

B.

C.

D.

62.
Which of following has internal thread?
A.
Bolt
B.
Stud
C.
Nut
D.
None of above


A.

B.

C.

D.

63.
A riveted joint is a fastening
A.
Permanent
B.
Temporary
C.
Both A and B
D.
None of above


A.

B.

C.
A B
D.

64.
The included angle for the acme thread is
A.

B.

C.

D.



A.

B.

9/9
C.

D.

65.
Which of the following is temporary fastener?
A.
Soldering
B.
Brazing
C.
Welding
D.
Nut bolt


A.

B.

C.

D.

66.
To prevent lubricating oil leakage is used.
A.
ring
B.
Washer
C.
Gasket
D.
Oil seal


A.

B.

C.

D.

67.
Which of the following industry casting process is carried out?
A.
Machining
B.
Fabrication
C.
Bearing
D.
Foundry


A.

B.

C.

D.

68.
Production is must but is first
A.
Safety
B.
Health
C.
Education
D.
All of above


A.

B.

C.

D.

69.
Which of the following is the replica of the work piece?
A.
Mould
B.
Pattern
C.
Core
D.
Cavity


A.

B.

C.

D.

70.
Where does combustion take place in I.C. engine?
A.
Outside of the cylinder
B.
Inside of the cylinder
C.
Inside fuel tank
D.
None of above


A.

B.

C.

D.




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