Correct Answer:- Option-D
Question29:-A cylindrical rod with both ends threaded is known as.
A:-Bolt
B:-Tap bolt
C:-Stud
D:-Set-screw
Correct Answer:- Option-C
Question30:-Sliding part between elevator guide rail and car.
A:-Thimble rod
B:-Guide shoe
C:-Bulldog grip
D:-Safety edge
Correct Answer:- Option-B
Question31:-The elevator which is used to transport goods.
A:-Passenger elevator
B:-Service elevator
C:-Freight elevator
D:-Capsule elevator
Correct Answer:- Option-C
Question32:-A standard metric thread having 3 mm pitch on 40 mm diameter designated as.
A:-40 x 3m
B:-M40 x3
C:-40 x3
D:-M 403
Correct Answer:- Option-B
Question33:-Maximum travel height of a roped holeless hydraulic elevator is
A:-6m
B:-9 m
C:-12 m
D:-18 m
Correct Answer:- Option-D
Question34:-To unlock door interlock when the cabin comes at the floor level in a manually operated doors.
A:-Returning cams
B:-Limit cam
:-Toe guard
D:-Lock roller
Correct Answer:- Option-A
Question35:-The portion of a building or structure used for discharge of passenger or goods into or from a lift car.
A--Lift door

D:
Correct Answer:- Option-D
Question36:-On a triple thread screw, lead equals.
A:-1/3 of pitch
B:-2/3 of pitch
C:-2/3 of pitch
D:-3 times of pitch
Correct Answer:- Option-D
Question37:-In a ball bearing balls are subjected to.
A:-Compressive stress
-Shear stress
C:-Fatigue
D:-Tensile stress
Correct Answer:- Option-C
Question38:-Bronze is welded by
A:-Neutral flame
B:-Carburizing flame
C:-Oxidizing flame