- (A) In a heterogeneous or solid-fuel reactor, the fuel is mixed in a regular pattern within moderator.
- (B) Slow or thermal neutrons have energy of the order or 0.025 eV
- (C) Fast neutrons have energies above 1000 eV
- (D) Fast reactor uses moderator
- (E) Most serious drawback in using water as coolant in nuclear plants is its high vapour pressure
Mechanical Engineering Mcqs
- (A) friction
- (B) limiting friction
- (C) repose
- (D) kinematic friction
- (E) static friction
- (A) mechanical advantage is greater than velocity ratio
- (B) mechanical advantage is equal to velocity ratio
- (C) mechanical advantage is less than velocity ratio
- (D) mechanical advantage is unity
- (E) none of the above
- (A) mechanical advantage is greater than velocity ratio
- (B) mechanical advantage is equal to velocity ratio
- (C) mechanical advantage is less than velocity ratio
- (D) mechanical advantage is unity
- (E) none of the above
- (A) straight line
- (B) parabola
- (C) hyperbola
- (D) elliptical
- (E) part of a circle
- (A) equal to the moment of the couple
- (B) constant
- (C) both of above are correct
- (D) both of above are wrong
- (E) none of the above
- (A) remain horizontal
- (B) slant up towards direction of pull
- (C) slant down towards direction of pull
- (D) unpredictable
- (E) none of the above
- (A) kinetic friction
- (B) limiting friction
- (C) angle of repose
- (D) coefficient of friction
- (E) friction force
- (A) tangent of angle between normal-reaction and the resultant of normal reaction and limiting friction
- (B) ratio of limiting friction and normal reaction
- (C) the friction force acting when the body is just about to move
- (D) the friction force acting when the body is in motion
- (E) minimum force of friction
- (A) same
- (B) more
- (C) less
- (D) may be less of more depending on nature of surfaces and velocity
- (E) has no correlation
