Top 550+ Solved Machine Design MCQ Questions Answer
Q. Machines screws are
a. Generally provided with head longer than that of a normal screw
b. Headless
c. Provided with slotted head and used with a nut
d. Screws with button-head
e. Screws with rounded head
Q. The wrist pin of diesel engine is always in
a. Increasing the diameter of threaded portion
c. a tresss free from shear
d. single shear
e. double shear
Q. Which type of loading should be avoided
a. Cleavage loading
b. Shear loading
c. Tensile loading
d. none of the above
e. Increasing the diameter of threaded portion
Q. For traction applications, the type of motor best suited is
a. Synchronous motor
b. Induction motor
c. DC series motor
d. DC compound motor
e. DC shunt motor
Q. Splined shafts are commonly used in
a. Machine tools
b. Bicycles
c. Aircraft
d. Automobiles
e. None of the above
Q. The locomotive wheel tires are fitted as
a. Wringing fit
b. Loose fit
c. Free fit
d. Snug fit
e. Shrink fit
Q. Lag bolts are generally used
a. for fastening castings
b. Increasing the diameter of threaded portion
c. in wooden construction
d. for tapping holes
e. in electrical equipment
Q. If two gears having 24 and 96 teeth mesh each other, they must have been cut
a. On same setting in a machine
b. With same cutter
c. With cutters of same moduic
d. With the one cutter
e. With cutter of same diameter as that of gear
Q. The following type of mechanism is not possible in any framed structure as an independent mechanism
a. Joint mechanism
b. Increasing the diameter of threaded portion
c. Cable mechanism
d. Beam mechanism
e. Panel (sway) mechanism
Q. The maximum size of the fillet weld that can be used is
a. Increasing the diameter of threaded portion
b. 3 mm
c. 7 mm
d. 1 mm
e. 5 mm
Q. Spring driven watches and clocks utilise
a. Hypocycloid gears
b. Epicycloid gears
c. Involute gears
d. Cycloid gears
e. Any of the above
Q. The shape or form factor is introduced in the design of compression members to represent the effect of
a. Increasing the diameter of threaded portion
b. vertical buckling
c. local buckling
d. diagonal buckling
e. post buckling
Q. The plastic design of steel structures which is based on upper bound theorem is
a. safe, unsafe
b. Increasing the diameter of threaded portion
c. unsafe, unsafe
d. safe, safe
e. unsafe, safe