# Complete High School Physics Quiz-2

This is an MCQ-based quiz on the topic of Complete High School Physics Quiz-2.

This set of MCQs helps you brush up on the important physics topics and prepare you to dive into skill practice and expand your knowledge.

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Which of the following is true of enzymes?

Enzyme function is independent of physical and chemical environmental factors such as pH

Enzymes increase the rate of chemical reaction by lowering activation energy barriers.

Enzymes may require a nonprotein cofactor or ion for catalysis to take speed up more

Enzyme function is increased if the three-dimensional structure or conformation of an

Which of the following is known to be a good conductor?

Iron

Wood

Air

Oil

Which method or methods of energy transfer needs matter to transfer energy?

Conduction and convection

Conduction

Convection

None of the above

In a heat engine, what is the relationship between Qh, Qc and W

Q + Qh, + Qc = 0

W = Qh - Qc

W = Qc - Qh

W = Qh + Qc

What is Entropy a measurement of?

Disorder in a system

Average particular energy in a system

Change in energy in a chemical reaction

Energy of a system

A refrigerator is

Heat engine

Air cooler

Motor

Heat engine working in reverse order

Q.

In the figure,it is the PV diagram for ______ engine

Carnot

Petrol

Diesel

Refrigerator

How many siblings does Mrs. Armbruster have?

0

1

2

3

In a cyclic process, heat transfers are + 14.7 kJ, – 25.2 kJ, – 3.56 kJ and + 31.5 kJ. What is the net work in Kj for this cyclic process?

18

1744

17.44

174.4

The flow energy of 0.124 m3/min of a fluid crossing a boundary to a system is 18 kW. Find the pressure at this point in Mpa.

8.71

871

10.71

30

Quiz/Test Summary
Title: Complete High School Physics Quiz-2
Questions: 10
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