Electrical Engineering · Question Bank

Engineering Materials

117 questions · page 6 of 6. Answer in your head first, then check the solution.

📘 ESAS Mock Board Exam
TypeAll 117Problem solvingObjective 117
DifficultyAll 117Easy 117MediumHard
#101📘 EE Pocket Reviewer RojasEasy
Which one is an example of piezoelectric material?
AGlass
BCorundum
CQuartz
DNeoprene
#102📘 EE Pocket Reviewer RojasEasy
Thermocouple works on which of the following effects?
AThomson effect
BSeebeck effect
CJoule effect
DPeltier effect
#103📘 EE Pocket Reviewer RojasEasy
Which one is true about the cables used in automobiles?
AIt is vulcanized rubber insulated
BIt is paper insulated
CIt has a pressure gas insulated
DIt has no insulation
#104📘 EE Pocket Reviewer RojasEasy
What do you call the temperature beyond which a substance loses its ferroelectric effect?
ACritical temperature
BCurie temperature
CTriple point temperature
DBreakdown temperature
#105📘 EE Pocket Reviewer RojasEasy
Nichrome is an alloy of which one?
AAluminum, tin and copper
BNickel, chromium and iron
CSilver, copper and nickel
DChromium, manganese and copper
#106📘 EE Pocket Reviewer RojasEasy
Which of the following greatly affects the resistivity of electrical conductors?
ASize
BPressure
CHumidity
DTemperature
#107📘 EE Pocket Reviewer RojasEasy
What is the purpose of a piezoelectric material?
ASource of resonant waves
BSource of microwaves
CSource of musical waves
DSource of ultrasonic waves
#108📘 EE Pocket Reviewer RojasEasy
Which one is a usage of platinum?
AElectrical contacts
BThermocouple
CHeating element in high temperature furnace
DAll of these
#109📘 EE Pocket Reviewer RojasEasy
Bronze is an alloy of which one?
ACopper and tin
BCopper and zinc
CCopper, lead and tin
DCopper, zinc and tin
#110📘 EE Pocket Reviewer RojasEasy
Which of the following materials is the poorest conductor of electricity?
ASilver
BAluminum
CLead
DCopper
#111📘 EE Pocket Reviewer RojasEasy
How do you call the property of a material by which they can be drawn into wires?
ACreep
BDuctility
CMalleability
DElasticity -A4 20988 20998
#112📘 EE Pocket Reviewer RojasEasy
Carbon electrodes are not used in which one?
ADry cells
BGLS lamp
CElectric arc furnace
DNone of these
#113📘 EE Pocket Reviewer RojasEasy
Which of the following in the group has the highest electrical conductivity?
ASteel
BAluminum
CLead
DSilver
#114📘 EE Pocket Reviewer RojasEasy
Which one of the following materials is an example of a hard solder?
ATin-lead
BTin-silver-lead
CCopper-zinc
DAluminum-silver
#115📘 EE Pocket Reviewer RojasEasy
Which of the following materials has zero temperature coefficient of resistance?
AManganin
BCarbon
CPorcelain
DTungsten
#116📘 EE Pocket Reviewer RojasEasy
How do you call the property of a material which it can be rolled into sheets?
ADuctility
BMalleability
CPlasticity
DElasticity
#117📘 EE Pocket Reviewer RojasEasy
How do you call the materials having a high dielectric constant which is non-linear?
AElastomers
BSuper dielectrics
CHard dielectrics
DFerroelectrics

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