2016 FITTER THEORY SEM-IV

2016 FITTER THEORY SEM-IV

41. Which of the following is a soft solder?

a) Copper-zinc alloy

b) Nickel-silver alloy

c) Lead-tin alloy      

d) All of  these

Answer:- c) Lead-tin alloy

42. Transmission angle is the angle between

a) Input link and coupler

b) Input link and fixed li

c) Output link and coupler

d) Output link and fixed

Answer:- c) Output link and coupler

43. What this hydraulic symbol means

a) Directional control valve

     (4 ports 12 positions)

b) Directional control valve

    (4 ports /3 positions)

c) Directional control valve

     (5 ports /2 positions)

d) None of these

Answer:- a) Directional control valve

                  (4 ports 12 positions)

44. Module of a gear is ..............

a) DAT b) T/D c) 2D/T d) 2T/D

Answer:- b) T/D

45. When screw threads are to be used

in a situation where power is being

transmitted in one direction only, then

the screw threads suitable for this will be ....

a) Square threads     

b) Knuckle threads   

c) Acme threads      

d) Buttress threads

Answer:- d) Buttress threads

46. Which of the following material has

      the maximum ductility?
a) Mild steel

b) Copper

c) Aluminium

d) Zinc

Answer:- a) Mild steel

47. The sleeve or muff coupling is

       designed as a-.

a) Dun cylinder       

b) Solid shaft

c) Thick cylinder     

d) Hollow shaft

Answer:- d) Hollow shaft

48. In a flange coupling, the flanges are

      coupled together by means of_.

a) Studs

b) Bolts and nuts     

c) Headless taper bolt

d) None of these

Answer:- b) Bolts and nuts

49. An open belt drive is used when ......

a) Driven shaft is to be started or stopped

whenever desired without interfering

with the driving shaft

b) Shafts are arranged parallel and rotate

     in the same directions

c) Shafts are arranged at right angles and

     rotate in one definite direction

d) Shafts are arranged parallel and rotate

     in the opposite directions

Answer:- b) Shafts are arranged parallel

                    and rotate in the same directions

50. When bevel gears connect two shafts

whose axes intersect at an angle greater

than a right angle and one of the bevel gears

has a pitch angle of 90°, then they are

known as

a) Internal bevel gears

b) Angular bevel gears

c) Crown bevel gears

d) Mitre gears

Answer:- c) Crown bevel gears