Technical Quiz Round - 1

• P-4, Q-3,R-1,S-2

• P-4,Q-3,R-2,S-1

• P-2,Q-4,R-3,S-1

• P-3,Q-4,R-2,S-1

The number of atoms per unit cell and the number of slip systems, respectively, for a face-centered cubic (FCC) crystal are

• 3, 3

   

• 3, 12

• 4, 12

• 4, 48

The crystal structure of aluminium is

• (A)  body-centred cubic

   

• (B)  face-centred cubic

•  (C)  close-packed hexagonal

•  (D)  body-centred tetragonal

The “Jominy test” is used to find

• (A)  Young’s modulus

•  (B)  hardenability

   

• (C)  yield strength

•  (D)  thermal conductivity

• (A)  P–III, Q–I, R–II, S–IV

   

• (B)  P–III, Q–II, R–I, S–IV

•  (C)  P–IV, Q–II, R–I, S–III

•  (D)  P–IV, Q–I, R–II, S–III

A force F is acting on a bent bar which is clamped at one end as shown in the figure.

The CORRECT free body diagram is

• 
• 
• 
• 

Which one of the following is used to convert a rotational motion into a translational motion?

•  (A) Bevel gears

•  (B) Double helical gears

   

• (C) Worm gears

•  (D) Rack and pinion gears

Which of the bearings given below SHOULD NOT be subjected to a thrust load?

•  (A) Deep groove ball bearing

•  (B) Angular contact ball bearing

•  (C) Cylindrical (straight) roller bearing

•  (D) Single row tapered roller bearing

Which one of the following configurations has the highest fin effectiveness?

• (A) Thin, closely spaced fins

   (

• B) Thin, widely spaced fins

   

• (C) Thick, widely spaced fins

   (

• D) Thick, closely spaced fins

Which one of the following statements is correct for a superheated vapour?

•  (A)  Its pressure is less than the saturation pressure at a given temperature.

   

• (B)  Its temperature is less than the saturation temperature at a given pressure.

   

• (C)  Its volume is less than the volume of the saturated vapour at a given temperature.

•  (D)  Its enthalpy is less than the enthalpy of the saturated vapour at a given pressure.