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Mechanical Engineering Quiz 37

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Mechanical Engineering Quiz 37

1 / 50

Heat transfer takes place as per ________________?

2 / 50

In convection heat transfer from hot flue gases to water tube, even though flow may be turbulent, a laminar flow region (boundary layer of film) exists close to the tube. The heat transfer through this film takes place by___________________?

3 / 50

The ratio of work doen per cycle to the swept volume in case of compressor is called ______________?

4 / 50

Kelvin Planck?s law deals with___________________?

5 / 50

The temperature of flue gases at air heater outlet should be__________________?

6 / 50

The assumption in PERT is__________________?

7 / 50

Low specific speed of a pump implies it is____________________?

8 / 50

Most high speed compression engines operate on ___________________?

9 / 50

During peak load periods, the best method of controlling compressors is___________________?

10 / 50

Water gas is produced by ___________________ ?

11 / 50

The equation of continuity holds good when the flow____________________?

12 / 50

Viscosity of water in comparison to mercury is_________________?

13 / 50

One watt is equal to__________________?

14 / 50

Puck up the wrong statement about centrifugal pump_______________?

15 / 50

Addition of heat at constant pressure to a gas results in________________?

16 / 50

Hooke?s law holds good up to____________________?

17 / 50

Polar moment of inertia (IP) of ac disc is to ht determined by suspen by a wire and noting the frequei oscillations (f) ?

18 / 50

The disadvantage of product layout is_________________?

19 / 50

Which is false statement about properties of aluminium ___________________?

20 / 50

Motion of a liquid in a volute casing of a centrifugal pump is an example of____________________?

21 / 50

Monel metal contains_________________?

22 / 50

The blades of gas turbine are made of_________________?

23 / 50

Gnatt charts provide information about_____________?

24 / 50

The concept of overall coefficient of heat transfer is used in case of heat transfer by________________?

25 / 50

A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ?

26 / 50

Basic tool in work study is __________________?

27 / 50

Hydrometer is used to determine____________________?

28 / 50

For a body floating in a liquid the normal pressure exerted by the liquid acts at ____________________?

29 / 50

The function of a distributor in an automobile is to__________________?

30 / 50

If there are L number of links in a mechanism then number of possible inversions is equal to_______________?

31 / 50

Dow metal contains____________________?

32 / 50

What will be the volume of air at 327?C if its volume at 27?C is 1.5 m3/mt ?

33 / 50

The cold working of metals is carried out_________________?

34 / 50

The algebraic sum of moments of the forces forming couple about any point in their plane is_________________?

35 / 50

Cyaniding is the process of________________?

36 / 50

The emissive power of a body depends upon its___________________?

37 / 50

Slack of various events on the critical path in PERT/CPM chart___________________?

38 / 50

The equivalent evaporation of a boiler is a measure to compare _________________?

39 / 50

When heat is transferred form hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by __________________?

40 / 50

CPM has following time estimate__________________

41 / 50

The property by virtue of which a liquid opposes relative motion between its different layers is called_________________?

42 / 50

Lead is poured into the joint between two pipes. These pipes may be made of____________________?

43 / 50

White cast iron contains carbon in the form of__________________?

44 / 50

The pressure ratio of an ideal vaned compressor with increase in mass flow rate_________________?

45 / 50

At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be_________________?

46 / 50

Total heat is the heat required to__________________?

47 / 50

In vapor compression cycle the condition off refrigerant is dry saturated vapor________________?

48 / 50

The indicator using Watt mechanism is known as________________?

49 / 50

The time required to complete a task is established and a bonus is paid to the worker for every hour he saves from the established time required. This type of incentive plan is known as_________________?

50 / 50

The function of cutting oil when threading a pipe is to___________________?

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