Engineering Questions with Answers - Multiple Choice Questions

# Chemical Process Calculation MCQ’s – The Mechanical Energy balance

1 - Question

Energy in the system plus the surroundings is always
a) Conserved
b) Vary
c) Increasing
d) Decreasing

Explanation: Energy in the system plus the surroundings is always Conserved.

2 - Question

Coefficient of performance the heat removed from a process divided by the work input to the process.
The given statement is
a) True
b) False
c) Can`t say
d) None of the mentioned

Explanation: Energy in the system plus the surroundings is always Conserved.

3 - Question

An idealized process in which changes occur under a differential imbalance in temperature, pressure etc. is called
a) Reversible process
b) Irreversible process
c) Ideal process
d) None of the mentioned

Explanation: An idealized process in which changes occur under a differential imbalance in temperature, pressure etc. is called Reversible process.

4 - Question

________________ is the type of energy that can be completely converted from one form to another.
a) Chemical Energy
b) Electrical Energy
c) Mechanical Energy
d) None of the mentioned

Explanation: Mechanical Energy is the type of energy that can be completely converted from one form to another.

5 - Question

Bernoulli equation is applicable for a _________state process.
c) Equilibrium
d) None of the mentioned

Explanation: Bernoulli equation is applicable for a steady state process.

6 - Question

Mechanical efficiency is the actual work output from a process divided by the work output if the process were reversible.
The given statement is
a) True
b) False
c) Can`t say
d) None of the mentioned

Explanation: Mechanical efficiency is the actual work output from a process divided by the work output if the process were reversible.

7 - Question

Heat engine efficiency the actual ________ output from a process divided by the _______ input from a source.
a) Work, Heat
b) Heat, Work
c) Work, Work
d) Heat, Heat

Explanation: Heat engine efficiency the actual work output from a process divided by the heat input from a source.

8 - Question

__________ is the ratio of the work done by an organism or machine to the amount of food or fuel consumed and/or to the energy expanded.
a) Efficiency
b) Work power
c) Heat capacity
d) None of the mentioned

Explanation: Efficiency is the ratio of the work done by an organism or machine to the amount of food or fuel consumed and/or to the energy expanded.

9 - Question

Mechanical form of energy is
a) Work
b) Kinetic energy
c) Potential energy
d) All of the mentioned

Explanation: Work, Kinetic energy and Potential energy, all are the form of Mechanical energy.

10 - Question

Mechanical energy is completely convertible by a __________engine from one form to another within the class.
a) Reversible
b) Irreversible