Mechanical Engineering Quiz 8

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Mechanical Engineering Quiz 8

1 / 50

A key capable of tilting in a recess milled out in a shaft is known as______________________?

2 / 50

A particle moves along a straight line such that distance (x) traversed in t seconds is given by x = t2 (t ? 4), the acceleration of the particle will be given by the equation __________________?

3 / 50

Presence of moisture in a refrigerant affects the working of___________________?

4 / 50

A two stroke crank compressed engine has following ports in the cylinder_______________?

5 / 50

Steel made from phosphatic iron is_________________?

6 / 50

A chain comprises of 5 links having 5 joints. Is it kinematic chain ?

7 / 50

The mean effective pressure obtained from engine indicator indicates the________________?

8 / 50

Capillary action is due to the_________________?

9 / 50

Which is false statement about advantages of multistage compressor in comparison to single stage compressor_________________?

10 / 50

Bomb calorimeter is used to determine ___________________?

11 / 50

A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is________________?

12 / 50

Detonation is caused by the following unstable compounds______________________?

13 / 50

If n = number of members andy = number of joints, then for a perfect frame, n =________________?

14 / 50

Water and sediment in fuel oil can be removed by _______________________?

15 / 50

Heat flows from one body to other when they have_________________?

16 / 50

Which of the following depreciation system ensures that the interest be charged on the cost of machine asset every year on the book value, but the rate of depreciation every year remains constant_____________________?

17 / 50

The main advantage of line organisation is its_______________?

18 / 50

Antifriction bearings are__________________?

19 / 50

A nuclear unit becoming critical means_______________?

20 / 50

Drop forging dies contain carbon of the order of_________________?

21 / 50

The knock in diesel engine occurs due to____________________?

22 / 50

Molecular volume of any perfect gas at 600 x 103 N/m2 and 27?C will be ____________________?

23 / 50

Endurance limit or fatigue limit is the maximum stress that a member can withstand for an infinite number of load applications without failure when subjected to________________?

24 / 50

The ratio of absolute viscosity to mass density is known as_________________?

25 / 50

The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeping condenser temperature constant, will______________________?

26 / 50

Cold rolled steel sheets contain carbon of the following order___________________?

27 / 50

During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and area of cross-section at neck was 0.5 cm2. Ultimate tensile strength of specimen is___________________?

28 / 50

A large Roynold number is indication of________________?

29 / 50

Micro motion study is__________________?

30 / 50

An example of amorphous material is____________?

31 / 50

A boiling water reactor uses following as fuel________________?

32 / 50

Critical Path Net Work helps an engineer_________________?

33 / 50

String diagram is used when__________________?

34 / 50

The stress at which extension of the material takes place more quickly as compared to the increase in load is called______________?

35 / 50

Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the_________________?

36 / 50

Work done is zero for the following process_________________?

37 / 50

An engine indicator is used to determine the following___________________?

38 / 50

Time study is__________________?

39 / 50

Density of water is maximum at__________________?

40 / 50

The C.G. of a plane lamina will not be at its geometrical centre in the case of a__________________?

41 / 50

Combustion in compression ignition engines is____________________?

42 / 50

Routing assists engineers in deciding in advance___________________?

43 / 50

The compression ratio in a jet engine varies proportional to ____________________?

44 / 50

If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by________________?

45 / 50

The difference of pressure between the inside and outside of a liquid drop is _______________?

46 / 50

The draw of cotter need not exceed_________________?

47 / 50

According to Avogadro?s Hypothesis ______________________?

48 / 50

Work study is concerned with_________________?

49 / 50

Which is more viscous lub oil_________________?

50 / 50

Mach number is significant in_____________________?

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