C:-non-uniformly spaced inclined lines
D:-curved lines
Correct Answer:- Option-D
Question68:-The mathematical technique for finding the best use of limited resources in an optimum manner is known as
A:-Queuing theory
B:-Linear programming
C:-Operation research
D:-Network analysis
Correct Answer:- Option-B
Question69:-Rate of change of momentum takes place in the direction
A:-of applied force
B:-of motion
:-opposite to the direction of applied force
D:-perpendicular to the direction of motion
Correct Answer:- Option-A
Question70:-Lean air-fuel mixture is required for
A:-acceleration
idling
C:-starting
D:-cruising
Correct Answer:- Option-D
Question71:-A 100 cc engine has the following parameter as 100 cc
A:-cylinder volume
-clearance volume
C:-swept volume
D:-full tank capacity
Correct Answer:- Option-C
Question72:-Which of the following has maximum malleability?
A:-Lead
-Brass
C:-Wrought iron
D:-Aluminium
Correct Answer:- Option-A
Question73:-The ratio of actual damping coefficient to the critical damping coefficient is called as
A:-Magnification factor
-Damping factor
C:-Critical damping ratio
D:-Logarithmic decrement
Correct Answer:- Option-B
Question74:-Dehumidification is the process of removing moisture from air with dry bulb temperature
A:-decreasing
creasing
C:-changing in any direction
D:-Remaining constant
Correct Answer:- Option-D
Question75:-Centrifugal pump is started with its delivery valve
A:-Kept fully closed
B:-Kept fully open
C:-Kept 50% open
D:-None of these
Correct Answer:- Option-A
Question76:-Bending operation should be performed
A:-At 30° to the grain direction
-Parallel to the grain direction
C:-There is no such criteria
D:-At right angle to the grain direction
Correct Answer:- Option-D
Question77:-De Lavel turbine is a
A:-simple impulse turbine