Chemical Process Calculation Multiple Choice Questions & Answers (MCQs) focuses on “The Mechanical Energy balance”.
1. Energy in the system plus the surroundings is always
a) Conserved
b) Vary
c) Increasing
d) Decreasing
Answer: a
Clarification: Energy in the system plus the surroundings is always Conserved.
2. 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
Answer: a
Clarification: Energy in the system plus the surroundings is always Conserved.
3. 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
Answer: a
Clarification: An idealized process in which changes occur under a differential imbalance in temperature, pressure etc. is called Reversible process.
4. ________________ 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
Answer: c
Clarification: Mechanical Energy is the type of energy that can be completely converted from one form to another.
5. Bernoulli equation is applicable for a _________state process.
a) Steady
b) Un-steady
c) Equilibrium
d) None of the mentioned
Answer: d
Clarification: Bernoulli equation is applicable for a steady state process.
6. 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
Answer: a
Clarification: Mechanical efficiency is the actual work output from a process divided by the work output if the process were reversible.
7. 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
Answer: a
Clarification: Heat engine efficiency the actual work output from a process divided by the heat input from a source.
8. __________ 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
Answer: a
Clarification: 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. Mechanical form of energy is
a) Work
b) Kinetic energy
c) Potential energy
d) All of the mentioned
Answer: d
Clarification: Work, Kinetic energy and Potential energy, all are the form of Mechanical energy.
10. Mechanical energy is completely convertible by a __________engine from one form to another within the class.
a) Reversible
b) Irreversible
c) Steady
d) None of the mentioned
Answer: d
Clarification: Mechanical energy is completely convertible by an ideal (reversible) engine from one form to another within the class.