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WorksheetsEV TECHNICIAN
Total questions: 25
Worksheet time: 1hrs 15mins
Name
Class
Date
1.
IN A SERIES CIRCUIT,
a)
CURRENT DIVIDES AMONG LOADS
b)
VOLTAGE DIVIDES AMONG LOADS.
c)
NO CHANGE IN CURRENT AND VOLTAGE.
d)
NONE OF THESE
2.
IN A NTC (NEGATIVE TEMPERATURE CO-EFFICIENT) RESISTOR, AS THE TEMPERATURE INCREASES, THE RESISTANCE WILL….
a)
INCREASES
b)
DECREASES
c)
DO NOT CHANGE
d)
NONE OF THE ABOVE
3.
WHAT IS A DIODE?
a)
A CIRCUIT PROTECTION DEVICE
b)
A UNIDIRECTIONAL CURRENT FLOW DEVICE
c)
CURRENT STORING DEVICE
d)
NONE OF THE ABOVE
4.
IN A SERIES CIRCUIT, THE TOTAL RESISTANCE IS
a)
SUM OF ALL INDIVIDUAL RESISTANCES
b)
AVERAGE OF ALL RESISTANCES.
c)
BOTH A & B
d)
NONE OF THE ABOVE.
5.
WHEN TWO RESISTORS ARE CONNECTED IN PARALLEL______
a)
CURRENT IS DIVIDED
b)
VOLTAGE IS DIVIDED
c)
THERE IS NO CURRENT FLOW
d)
NONE OF THE ABOVE
6.
WHAT TYPE OF RESISTOR IS CABIN HEATER
a)
PTC.
b)
NTC.
c)
DIODE.
d)
SWITCH.
7.
HOW TO CONNECT MULTIMETER FOR MEASURING VOLTAGE ___
a)
SERIES CONNECTION
b)
PARALLEL CONNECTION.
c)
BOTH SERIES & PARALLEL.
d)
NONE OF THE ABOVE.
8.
WHAT TYPE OF ELECTRICAL LOAD CONNECTION IS GIVEN IN CARS?
a)
SERIES
b)
PARALLEL
c)
COMBINED
d)
NONE OF THE ABOVE
9.
WHEN MEASURING RESISTANCE _____
a)
SWITCH OFF THE MULTIMETER.
b)
SUPPLY SHOULD BE ON IN THE CIRCUIT.
c)
SUPPLY IN CIRCUIT SHOULD BE SWITCHED OFF.
d)
NONE OF THE ABOVE.
10.
FIND THE TOTAL VOLTAGE IN THE CIRCUIT.
a)
0V.
b)
24V.
c)
240V.
d)
25V.
11.
SEVERAL LAMPS ARE CONNECTED IN PARALLEL TO A BATTERY, IF ONE LIGHT BURNS OUT, WHAT WILL HAPPEN TO ALL OTHER LAMPS?
a)
THEY WILL NOT BE AFFECTED
b)
THEIR BRIGHTNESS WILL INCREASE
c)
THEIR BRIGHTNESS WILL DECREASE
d)
NONE OF THE ABOVE
12.
IF A FUSE BLOWS AGAIN AFTER IT HAS BEEN REPLACED, WHAT IS THE MOST LIKELY CAUSE?
a)
THE CURRENT FLOWING THROUGH THE CIRCUIT IS TOO HIGH.
b)
THE GROUND CONNECTION OF THE CIRCUIT HAS BECOME DISCONNECTED.
c)
THERE IS AN OPEN COMPONENT IN THE CIRCUIT
d)
NONE OF THE ABOVE
13.
WHICH OF THE FOLLOWING IS NOT PRESENT IN ELECTRIC DRIVING SYSTEM?
a)
MOTOR
b)
ESS
c)
PEB
d)
TRANSMISSION
14.
WHICH TYPE OF MOTOR IS USED IN OUR EZS VEHICLE?
a)
NON EXCITED SYNCHRONOUS MOTOR
b)
HYSTERESIS MOTOR
c)
RELUCTANCE MOTOR
d)
PERMANENT MAGNET SYNCHRONOUS MOTOR
15.
MAXIMUM TEMPERATURE AT WHICH PEB WILL STOP WORKING?
a)
100 C
b)
85 C
c)
65 C
d)
75 C
16.
WHICH OF THE FOLLOWING IS NOT PART OF PEB?
a)
MCU
b)
INVERTOR
c)
DC-DC CONVERTOR
d)
PDU
17.
WHICH GRADE OF TRANSMISSION OIL IS USED IN EZS?
a)
CASTROL BOT351LV
b)
CASTROL BOT351LD
c)
CASTROL BOT352LV
d)
CASTROL BOT361LV
18.
POWER ELECTRONIC BOX CONVERTS DC INTO THREE-PHASE AC THROUGH _______?
a)
MOSFET
b)
IGBT
c)
PNP TRANSISTOR
d)
GATEWAY
19.
WHAT IS THE RANGE OF PRESSURE OF RELIEF VALVE IN EDS SYSTEM?
a)
HIGH PRESSURE ON 120-150KPA
LOW PRESSURE ON 0-20KPA
b)
HIGH PRESSURE ON 130-170KPA
LOW PRESSURE ON 10-50KPA
c)
HIGH PRESSURE ON 140-160KPA
LOW PRESSURE ON 0-10KPA
d)
NONE OF THE ABOVE
20.
WHICH TYPES OF LITHIUM BATTERY IS USED IN EZS MCE VEHICLE?
a)
LITHIUM COBALT ACID
b)
LFP-LITHIUM IRON PHOSPHATE
c)
TERNARY MATERIALS(NCM\NCA ETC.)
d)
LMO-LITHIUM MANGANATE
21.
WHAT ARE THE FUNCTION OF CMU (CELL MANAGEMENT UNIT)?
a)
COLLECTING VOLTAGE AND TEMPERATURE OF CELLS
b)
COLLECTING CURRENT AND VOLTAGE OF CELL
c)
COLLECTING RESISTANCE AND CURRENT OF CELL
d)
ALL OF THE ABOVE
22.
WHICH OF THE FOLLOWING IS NOT FUNCTION OF BATTERY MANAGEMENT SYSTEM?
a)
COLLECTION OF BATTERY STATUS
b)
ENERGY MANAGEMENT AND BATTERY CONTROL
c)
SOC, SOH ESTIMATING
d)
TO MEASURE PH OF CELL
23.
HOW MANY TEMPERATURE SENSORS ARE PRESENT IN CMU – MASTER MODULE?
a)
5
b)
4
c)
3
d)
1
24.
WHICH OF THE FOLLOWING IS THE PART OF EDM?
a)
ELECTRIC DISTRIBUTION MODULE (EDM)
b)
BATTERY DISCONNECT UNIT(BDU)
c)
POWER RELAY ASSEMBLY (PRA)
d)
ALL OF THE ABOVE
25.
WHAT IS THE RATING OF FUSE PRESENT IN EDM?
a)
290 A
b)
320A
c)
400A
d)
410A
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