Top 250+ Solved Mechatronics MCQ Questions Answer
Q. A body remains in equilibrium if
a. inertia force is applied in the same direction to the resultant force
b. inertia force is applied in the direction opposite to the resultant force
c. inertia force is applied in the direction perpendicular to the resultant force
d. inertia force is applied in the direction parallel to the resultant force
Q. Considering a four bar chain with each link having linear and angular acceleration, applying D-Alembert’s principle will never result in which of the following member?
a. 2- force member
b. 3- force member
c. 4 – force member
d. non accelerating member
Q. In a horizontal engine, reciprocating parts are accelerated when the piston moves from
a. tdc to bdc
b. bdc to tdc
c. midway to tdc
d. bdc to midway
Q. In a horizontal engine, reciprocating parts are retarded when the piston moves from
a. tdc to bdc
b. bdc to tdc
c. midway to tdc
d. bdc to midway
Q. When the piston is accelerated, the piston effort is given by which of the following the equation?
a. f(l) – f(i)
b. f(l) + f(i)
c. f(l) ± f(i)
d. f(l) – f(i) + r(f)
Q. In the presence of frictional resistance, the expression for piston effort is
a. f(l) – f(i)
b. f(l) + f(i)
c. f(l) ± f(i) – r(f)
d. f(l) – f(i) + r(f)
Q. Crank effort is the product of crank pin radius and
a. thrust on sides
b. crankpin effort
c. force acting along connecting rod
d. piston effort
Q. For a multicylinder engine, the coefficient of fluctuation of speed would vary with
a. number of cylinders
b. remains unaffected
c. length of connecting rod
d. input temperature
Q. In the turning moment diagram of a multicylinder engine, the work done during exhaust stroke is by
a. the gases
b. on the gases
c. piston wall
d. valve