Objective Questions on Mechanical Engineering
109-The least count of metric vernier height gauge is:
(A) 0.01 mm
(B) 0.02 mm
(C) 0.1 mm
(D) 0.5 mm
110-In which of the following gear, the teeth are cut at an angle to the axis of rotation?
(A) Spur gear
(B) Helical gear
(C) Hypoid gear
(D) Bevel gear
111-Solder is an alloy of:
(A) Copper and Tin
(B) Lead and Zinc
(C) Lead and Tin
(D) Copper and Lead
112-Clapper box is used in:
(A) Shaper
(B) Radial drilling machine
(C) Centre less grinding machine
(D) Slotter
113-The size of the gear is usually specified by:
(A) Diametral pitch
(B) Pitch circle diameter
(C) Addendum circle
(D) Dedundum circle
114-The distance a screw thread advances axially for one complete revolution is called:
(A) Pitch
(B) Root
(C) Module
(D) Lead
115-In acetylene cylinder, the acetylene is dissolved in:
(A) Carbon dioxide
(B) Water
(C) Oxygen
(D) Acetone
116-Which of the following chisel is used for cutting keyways?
(A) Crosscut chisel
(B) Diamond point chisel
(C) Half round chisel
(D) Round nose chisel
117-The rivet usually used for boiler plate riveting:
(A) Flat head
(B) Snap head
(C) Button head
(D) Cone head
118-Rasp file is used for filing:
(A) Mild steel
(B) Cast iron
(C) Nickel Steel
(D) Wood
119-Bent snips are used for:
(A) Support round articles
(B) Making round holes
(C) Cutting metal sheet along a curved lines
(D) None
120-The irregular shaped work pieces are clamped on a lathe by using:
(A) Face plate
(B) Four jaw chuck
(C) Mandrel
(D) Lathe dog
ANSWERS:
109-(B), 110-(B), 111-(C), 112-(A), 113-(B), 114-(D), 115-(D), 116-(A), 117-(B), 118-(D), 119-(C), 120-(A)