Explore topic-wise MCQs in Design Electrical Machines.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Design Electrical Machines knowledge and support exam preparation. Choose a topic below to get started.

1.

Aluminum has high conductivity than Copper.

A. true
B. false
Answer» C.
2.

How should the conducting materials be in terms of malleability and ductility?

A. highly malleable, less ductile
B. less malleable, less ductile
C. highly malleable, highly ductile
D. less malleable, highly ductile
Answer» D. less malleable, highly ductile
3.

High resistivity material used in making the filaments of incandescent lamps.

A. true
B. false
Answer» B. false
4.

HOW_SHOULD_THE_CONDUCTING_MATERIALS_BE_IN_TERMS_OF_MALLEABILITY_AND_DUCTILITY??$

A. highly malleable, less ductile
B. less malleable, less ductile
C. highly malleable, highly ductile
D. less malleable, highly ductile
Answer» D. less malleable, highly ductile
5.

Aluminum_has_high_conductivity_than_Copper.$

A. true
B. false
Answer» C.
6.

What are the conditions of the conducting materials with respect to melting point and resistance to corrosion?

A. high melting point, low resistance to corrosion
B. low melting point, low resistance to corrosion
C. high melting point, high resistance to corrosion
D. low melting point, high resistance to corrosion
Answer» D. low melting point, high resistance to corrosion
7.

What are the properties of Conducting Materials with respect to temperature coefficient of resistance and tensile strength?

A. low temperature coefficient, low tensile strength
B. low temperature coefficient, high tensile strength
C. high temperature coefficient, low tensile strength
D. high temperature coefficient, high tensile strength
Answer» C. high temperature coefficient, low tensile strength
8.

What materials are used as conductors in the Transmission and Distribution sector?

A. copper
B. silver
C. tungsten
D. carbon
Answer» B. silver
9.

Is high resistivity material used in making the filaments of incandescent lamp?

A. true
B. false
Answer» B. false
10.

Example of high resistivity material is ________________

A. copper
B. gold
C. aluminum
D. carbon
Answer» E.
11.

Example of low resistivity material is _____________

A. silver
B. manganese
C. magnesium
D. tungsten
Answer» B. manganese
12.

What is the correct classification of the conducting materials?

A. low resistivity, low conductivity
B. low resistivity, high conductivity
C. high resistivity, high conductivity
D. medium resistivity, medium conductivity
Answer» C. high resistivity, high conductivity
13.

What is the basic property of electrical conducting materials?

A. allows the passage of current through the materials
B. blocks the passage of current through the materials
C. leaks the current through the materials
D. reverses the direction of current in the materials
Answer» B. blocks the passage of current through the materials