NEW
Font size
S
M
L
XL
WorksheetsPre Quiz - 16th July - BILF
Total questions: 35
Worksheet time: 26mins
Name
Class
Date
1.
What is the purity of our copper conductor?
a)
99%
b)
99.50%
c)
99.98%
d)
100%
2.
What Does PVC Stand for?
a)
Post varnish conductor
b)
Polyvinyl chloride
c)
Pressed and varnished cloth
d)
Positive voltage conductor
3.
Resistance of conductor is Inversely proportional to ____ ?
a)
Diameter of conductor
b)
Length of conductor
c)
Cross sectional area of conductor
d)
All of Above
4.
Capacitive sensors are used for?
a)
sense the any object
b)
sense the metallic object only
c)
sense the Nonmetallic object only
d)
None
5.
What is the Ingress Protection offered in standard proximity sensor ?
a)
IP-20
b)
IP-40
c)
IP-42
d)
IP-67
6.
Inductive sensor are used in industries for ?
a)
Speed control of the DC Motor
b)
Speed control of the 3 Phase AC Motor
c)
Sense the object & make the prints of image
d)
Sense the object & deliver electrical signal
7.
What is the pause time during star delta changeover in DQR Plus star delta timer?
a)
100ms
b)
40ms
c)
50ms
d)
60ms
8.
What is the maximum rating of motor offered by BCH?
a)
325KW / 425HP, 4-pole
b)
315KW / 425HP, 4-pole
c)
320KW / 425HP, 4-pole
d)
400KW / 533 HP, 4-pole
9.
What is class of insulation used in BCH motors as standard?
a)
Class E
b)
Class A
c)
Class F
d)
Class H
10.
BCH motors are:
a)
DC series motors
b)
Slip Ring Motor
c)
Synchronous motors
d)
TEFC sq. cage induction motors
11.
What is the standard paint shade for BCH enclosure system
a)
STR. RAL-7035
b)
Smooth RAL-7035
c)
Smooth RAL-7032
d)
STR.RAL-7032
12.
What will be possible maximum Ingress Protection (IP)
a)
IP 70
b)
IP 66
c)
IP 68
d)
IP 59
13.
What kind of gasket used in BCH enclosures
a)
EPDM
b)
Neoprene
c)
Rubber
d)
PU
14.
MCB is designed to protect…
a)
Earth fault with overload & short circuit
b)
Over load & Short Circuit
c)
Short Circuit & Ground Fault
d)
Short Circuit only
15.
What is the magnetic pick up band of C curve MCB?
a)
3In - 5In
b)
4In - 5In
c)
8In - 10In
d)
5In - 10In
16.
On which principle RCCB works
a)
Ohms Law
b)
kirchhoff's Current law
c)
kirchhoff's Voltage Law
d)
Faraday Law of Electromagnetic Induction
17.
If In is the full load current of a 3-Phase induction motor then how much current it would draw during starting?
a)
4 x In
b)
3 x In
c)
6 to 7 In
d)
12 x In
18.
Which Utilization category would you consider for a 3-Ph Squirrel cage Induction motor with starting, plugging, inching operation?
a)
AC1
b)
AC3
c)
AC4
d)
AC5
19.
MPCB can not provide this protection to Motor
a)
Overload
b)
Short Circuit
c)
Phase Loss
d)
Phase reversal
20.
Utilisation Category of ACB?
a)
Category A
b)
Category B
c)
Both
d)
None of these
21.
In Air Circuit Breaker, SIC stands for-
a)
Secondary Circuit Breaker
b)
Second internal contacts
c)
Secondary Isolating Contacts
d)
Service in charge
22.
Is it possible to convert MDO to EDO on-site for the Ultra Power ACB
a)
Yes
b)
No
23.
NL series Heavy Duty Limit switch is having what IP
a)
IP54
b)
IP42
c)
IP65
d)
IP67
24.
Which of BCH range of P&S is having Integral Switch & Interlock
a)
SS type
b)
PS type
c)
DS Type
d)
BPX type
25.
BCH DC Electromagnetic shunt brake has range from
a)
150mm to 800mm size
b)
100mm to 250mm size
c)
250mm to 1000mm size
d)
4 inches to 7inches
26.
In the BPX Plug and Socket Range, what are the IP rating we offer?
a)
IP44 Only
b)
IP67 Only
c)
IP44 and IP67 Both
d)
None of these
27.
What does LVGP stand for?
a)
Light Voltage Glow Protection
b)
Low Voltage Glass Protection
c)
Low Voltage Glow Protection
d)
None of these
28.
Which type of Panel are using for improving power factor in industry for load ?
a)
APFC Panel
b)
Star-Delta Panel
c)
Distribution Panel
d)
PCC Panel
29.
Power factor can be improved by connecting
a)
Capacitors
b)
Inductors
c)
Resistor
d)
None of these
30.
Which type of Contactor used for Capacitor Switching ?
a)
Power Contactor
b)
Control Contactor
c)
Capacitor Duty Contactor
d)
Any One of these
31.
In which year, BCH Company established ?
a)
1977
b)
1965
c)
1945
d)
1975
32.
How many manufacturing plants does BCH have?
a)
1
b)
2
c)
3
d)
4
33.
Icu stands for
a)
Rated Ultimate Short Circuit Breaking Capacity
b)
Rated Service Short Circuit Breaking Capacity
c)
Rated Short Circuit Withstand Capacity
d)
Rated Nominal Voltage
34.
Operating Sequence of Ics
a)
O-CO-CO-CO
b)
O-CO
c)
O-CO-CO
d)
O-C-O-C-O
35.
What is Ue in switchgear terminology?
a)
Rated operational voltage
b)
Rated impulse withstand voltage
c)
Rated nominal voltage
d)
Rated insulation withstand voltage
Reset
