Electrical and Electronics Engineering Materials EEEM May 2019 Paper

Download Previous year Diploma Paper of Electrical and Electronics Engineering Materials EEEM May 2019 EE/EEE/Paper

Electrical and Electronics Engineering Materials EEEM May 2019 EE/EEE/Diploma Paper

SECTION-A

Q1. Do as directed. 15×1=15

a. All metals are conductors of electricity (T/F)
b. Nichrome is an alloy of nickel and chromium (T/F)
c. The conductivity of semiconductors is usually high (T/F)
d. Mica is not affected by oils (T/F)
e. Soft magnetic materials are used for making permanent magnets (T/F)
f. Thermocouple is based on ________ Effect.
g. The two junctions of a thermocouple are kept at _ temperature.
h. Outer frame of D.C machine is made up of _
i. The armature core of a D.C machine is made of
j. ACSR is abbreviated as ______

SECTION-B

Q2. Attempt any five questions. 5×6=30

i. What do you mean by thermocouple?
ii. Discuss the properties of Bakelite.
iii. How materials are classified on the basis of energy band?
iv. Discuss the properties of fuse material.
v. Explain construction and working of a Bimetal.
vi. Name the various parts of transformer and mention the name of various materials used to construct these parts.
vii. Compare between Copper and Aluminum.

SECTION-C

Q3. Attempt any three questions. 3×10=30

a. Explain the working and construction of H.R.C fuse with neat sketch.
b. List the materials used for construction of following parts:
i) commutator ii) Transformer core iii) Yoke of D.C machine iv) Armature and Field Winding
c. State and explain main factors which decide selection of an insulating material for particular purpose.
d. Explain properties and applications of i) Steel ii) PVC

Electrical and Electronics Engineering Materials EEEM May 2019 EE/EEE/Diploma Paper

Get Started

Section a Electrical and Electronics Engineering Materials EEEM May 2019 EE/EEE/Diploma Paper

All metals are conductors of electricity (T/F) Nichrome is an alloy of nickel and chromium (T/F) The conductivity of semiconductors is usually high (T/F) Mica is not affected by oils (T/F) Soft magnetic materials are used for making permanent magnets (T/F) Thermocouple is based on ____________ Effect.

Thermocouple is based on ____________ Effect.

The two junctions of a thermocouple are kept at _________ temperature.

Outer frame of D.C machine is made up of ___________

The armature core of a D.C machine is made of ______________

ACSR is abbreviated as ______________

Electrical and Electronics Engineering Materials EEEM May 2019 EE/EEE/Diploma Paper Click Here

Section B :Electrical and Electronics Engineering Materials EEEM May 2019 EE/EEE/Diploma Paper

What do you mean by thermocouple?

Thermocouple.

Discuss the properties of Bakelite.

Properties of Bakelite.

How materials are classified on the basis of energy band?

Classified Materials on the basis of energy band.

Discuss the properties of fuse material.

Properties of fuse material.

Explain construction and working of a Bimetal.

Construction and working of a Bimetal.

Name the various parts of transformer and mention the name of various materials used to construct these parts.

Name the various parts of transformer

Compare between Copper and Aluminum.

Electrical and Electronics Engineering Materials EEEM May 2019 Paper Click Here

Electrical and Electronics Engineering Materials EEEM May 2019 EE/EEE/Diploma Paper

Get Started https://www.youtube.com/watch?v=UHX6f8TIvX8https://www.youtube.com/watch?v=M_RR6LVICp0https://www.youtube.com/watch?v=mV41CMWonN4https://www.youtube.com/watch?v=s0LVPE0Q3LE&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=14&t=0s

Section c :-Electrical and Electronics Engineering Materials EEEM May 2019 EE/EEE/Diploma Paper

Explain the working and construction of H.R.C fuse with neat sketch.

Working and construction of H.R.C fuse.

List the materials used for construction of following parts: i) commutator ii) Transformer core iii) Yoke of D.C machine iv) Armature and Field Winding

i) commutator

ii) Transformer core

iii) Yoke of D.C machine

iv) Armature and Field Winding

State and explain main factors which decide selection of an insulating material for particular purpose.

Main factors which decide selection of an insulating material for particular purpose.

Explain properties and applications of i) Steel ii) PVC

Properties and applications of

i) Steel

ii) PVC

Electrical and Electronics Engineering Materials EEEM May 2019 Paper Contact Us

MY YOUTUBE CHANNEL

JK Smart Classes Upload Lecture for Degree classes like B.TECH,M.TECH in any stream like ECE,EE,ME and Civil Engineering $\"JK$ JK SMART CLASSES ER.JASWINDER KUMAR $\"JK$ JK SMART LECTURE ER.JASWINDER KUMAR Engineering Classes Upload Lecture for Polytechnic Diploma classes in any stream like ECE,EE,ME and Civil Engineering $\"JK$ ENGINEERING CLASSES ER.JASWINDER KUMAR $\"JK$ er.jaswinder kumar Senior Lecturer