39.

40.

41.

42.

43.

44.

45.

46.

47.

48.

What is the name of the quadrilateral with all the four sides are different and only two sides
are parallel?

(A) Rhombus (B) Rhomboid

(0 Trapezium (D) Trapezoid

What is the advantage of using herring-bone gears?
(A) Can transmit power between intersecting shafts
(B) Can transmit power between the shafts at 90°
(C) Used for large speed reduction
(D) Resisting the thrust loads in the shaft bearings

The lead of a tripple start thread is 4.5 mm. What will be the pitch of the thread?

(A) 9mm (B) 13.5 mm
(C) 1.5mm (D) 2.25 mm
What is the least count of a metric vernier bevel protractor?
(A) 5 minutes (B) 5 seconds
(C) 10 minutes (D) 5 degrees
Where is the position of plan in first angle projection?
(A) Right of elevation ൯) Left of elevation
(C) Above elevation (D) Below the elevation

What is the name of thin line projecting from feature and extending beyond dimension line?
(A) Construction line ൯) Leader line
(C) Extension line (D) Centre line

What is the direction of rotation of driving and driven shafts in cross-belt drive?

(A) Opposite (B) Same

(C) Hither (A) or (B) ൯൩) Neither (A) nor (B)
What is force?

(A) Mass x Volume (B) Mass x Acceleration

Mass Mass

858ٹ_- )¢

(0 Acceleration ©) Volume
What is the latent heat of fusion of ice?

(A) 50 cal/gram (B) 30 cal/gram

( 110 cal/gram (0) 80cal/gram

What is the name of the gears whose axes are parallel and whose teeth are parallel to the
centre line of gears?
(ಹ) Bevel gear (B) Helical gear
(C) Spur gear ൯൩) None of (A), (B) or (C)
7 210/2023
[7.1.0.]