GATE Mechanical Engineering Test Paper 2 Online Question Answers
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# GATE Mechanical Engineering Test Paper 2 Online Question Answers

 Test Name GATE Mechanical Engineering Test Paper Subject GATE Test Type MCQs Total Question 40 Total Marks 80 Total Time 40 Minutes Test Help For M.Tech Admissions Government Jobs Post-Graduate Engineering Admissions Engineering Jobs

GATE mechanical engineering examination papers and GATE syllabus will cover all these past papers, books and syllabus for Mechanical engineering test. This test syllabus will cover mostly compulsory subjects for GATE examination. All candidates of GATE test will prepare as per the percentage of questions and material from particular section.

## GATE

1. The number of stress co-efficients or constants which characterize a piezoelectric material is:

Question 1 of 40

2. A mass 'm' attached to a light string oscillates with a period of 2 sec. If the mass is increased by 2 kg, the period increases by 1 sec. The value of 'm' is

Question 2 of 40

3. For a reversed Carnot cycle, which figure represented the variation of T2 for different values of cop for a constant value of TH = 300 K (say)?

Question 3 of 40

4. A stop watch time study on an operator with a performance rating of 120 yielded a time of 2 minutes. If allowance of 10% of the total available time all to be given, the standard time of the operation is:

Question 4 of 40

5. The series S = 1 - 1 + 1 - 1 ... is

Question 5 of 40

6. The conductivity of a metal at ultraviolet frequency (1014 HZ) approximately equals:

Question 6 of 40

7. Morse test can be used on:

Question 7 of 40

8. In a circular pipe the diameter is doubled abruptly. If the velocity head of flow in the pipe before enlargement is 'h' then the energy loss of the sudden enlargement will be equal to:

Question 8 of 40

9. Which one of the following is a proper representation of pressure differential (Y-axis) Vs velocity of air (X-axis) at the throat of a carburetor?

Question 9 of 40

10. A heat pump working on a reversed carnot cycle has a c.o.p of 5. Its work as a refrigerator taking 1 kW of work input, the refrigerating effect will be:

Question 10 of 40

11. For helical gears the helix angle generally ranges from:

Question 11 of 40

12. The compression members tend to buckle in the direction of their:

Question 12 of 40

13. The specific heat of concentrated orange juice is 5.8 kilo-joules per kgoC. How much heat must be removed to cool 3.0 kilograms of juice from 30oC to 0.0oC?

Question 13 of 40

14. The structure shown in the given figure is stable if:

Question 14 of 40

15. Water is floating with a flow rate of 0.002 m3/s. What is its average velocity at an outlet where the area is 4 cm2?

Question 15 of 40

16. Which one of the theories given below is related to the theory of the thermocouple?

Question 16 of 40

17. A bulb is switched off. What of the following describes the rate of dissipation of heat?

Question 17 of 40

18. In a point-to-point type of NC system:

Question 18 of 40

19. In 'plasma' state a gas:

Question 19 of 40

20. The expression du = CvdT is valid for:

Question 20 of 40

21. The relation between tool life (T) and cutting speed (V) is expressed as:

A) V + nT = C

B) T + nV = C

C) VTn = C

D) TVn = C

Question 21 of 40

22. In a piezoelectric crystal oscillator, the oscillation or turning frequency is linearly proportional to the:

Question 22 of 40

23. A bar 4 cm in diameter is subjected to an axial load of 4t. The extension of the bar over a guage length of 20 cm is 0.03 cm. The decrease in diameter is 0.0018 cm, the Poisson' s ratio is:

Question 23 of 40

24. Gas used for carburising is:

Question 24 of 40

25. When a real gas undergoes joule-Thomson expansion, the temperature:

Question 25 of 40

26. The use of Refrigerant-22 (R-22) for temperatures below - 30oC is not recommended due to:

Question 26 of 40

27. A steel having ferrite and pearlite is:

Question 27 of 40

28. In the given figure, the maximum bending moment at the fixed end of the cantilever caved by the UDL is M. The bending moment at a section 1/5 from the free end is:

Question 28 of 40

29. A stone of mass 1 kg is tied to a string of 1 m length and whirled in a horizontal circle at a constant angular speed of 5 rad/s. The tension (in Newtons) in the string will be:

Question 29 of 40

30. In Rankines formula for columns the value of constant (a) is taken as 1/750 for:

Question 30 of 40

31. A force F of 800 N is applied as shown. What maximum weight W can be supported? Neglect the weight of the piston.

Question 31 of 40

32. The end deflection to the contilever with a couple acting at the end as shown in figure, is

A) ML2/2EI

B) ML2/8EI

C) 2ML2/EI

D) ML/4EI

Question 32 of 40

33. The following figure refers to a channel section of uniform thickness of 1 cm used as a beam with the cross-sectional dimension shown in cm unit. If the momment of inertia of channel IXX be equal to 246 cm4 and C be the shear centre, then the value of e in cm is equal to:

Question 33 of 40

34. The inlet and exit velocity diagram of a turbomachine rotor are shown in the given figure. The turbomachine is:

Question 34 of 40

35. A 1 in. x 1 in. x 1 in. copper cube was heated to 90oC. It was thrown into a lake of 10oC. After steady state is reached, how much heat was released? (Note that copper = 0.386 kJ/kgoK)

Question 35 of 40

36. The B.H. curves are shown in the figure. The curve X, Y and Z refer respectively to:

Question 36 of 40

37. A spring controlled givernor is found unstable it can be made stable by:

Question 37 of 40

38. Euler's law is applicable to:

Question 38 of 40

39. Temperature near absolute zero are obtained using:

Question 39 of 40

40. In the statement "an eccentric mass rotating at 300 rpm will create X times more unbalanced force than 50% of the same mass rotating at 300 rpm. 'X' stands for:

Question 40 of 40

 Test By Subject GATE Test By Topics Mechanical Engineering