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Quiz 3 & 4: Unit 4, 7 & 8
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READ THE QUESTIONS PROPERLY AND TRY AND UNDERSTAND WHAT THE QUESTIONS ARE ASKING
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Q1
Score: 1
A. Risk of Electrical Shock
B. Object falling from height
C. Trip Hazard
D. Carcinogenic
Q2
Score: 1
A. Relay
B. Manual Call Point
C. Detector
D. Power Supply
Q3
Score: 1
A. Dry Cell
B. Nickel Cadmium Battery
C. Lithium Ion Battery
D. Lead Acid Battery
Q4
Score: 1
A. 201
B. 301
C. 401
D. 501
Q5
Score: 1
A. Power factor decreases
B. Power factor becomes unity
C. Power factor increases
D. Power factor becomes zero
Q6
Score: 1
A. fuses are used only
B. circuit breakers are used only
C. fuses and circuit breakers are used
D. fuses and resistor are used
Q7
Score: 1
A. 5 mm
B. 5 cm
C. 0.5 m
D. 5 m
Q8
Score: 1
A. Circulatory collapse
B. Ventricular fibrillation
C. Venous embolism
D. Pulmonary arrest
Q9
Score: 1
A. < 50 V ac
B. 50 > 1000V AC
C. 220 > 1500V AC
D. 380 > 2000V AC
Q10
Score: 1
A. Hard hat
B. Safety boots
C. Impact googles
D. High visibility vest
Q11
Score: 1
A. 460 W
B. 414 W
C. 200 W
D. 0.460 W
Q12
Score: 1
A. I = V/R
B. I = VR
C. I = R/V
D. I = VP
Q13
Score: 1
A. 1W
B. 10W
C. 100W
D. 1000W
Q14
Score: 1
A. Zero
B. Unity
C. 0.5
D. 0.4
Q15
Score: 1
A. To carry current from a balanced load
B. To carry current from an unbalanced load
C. To maintain each phase current in balance
D. To maintain the phase currents out of balance
Q16
Score: 1
A. 12V
B. 20V
C. 10V
D. 24V
Q17
Score: 1
A. electrolytic circuit breaker
B. earth locking circuit breaker
C. earth leakage circuit breaker
D. electric leakage circuit breaker
Q18
Score: 1
A. 443.786 ohms
B. 887.574 ohms
C. 300.323 ohms
D. 600.271 ohms
Q19
Score: 1
A. Unique Power Supply
B. Unity Power Supply
C. Under Voltage Power Supply
D. Uninterrupted Power Supply
Q20
Score: 1
A. Dielectric
B. Electrodes
C. Cathode
D. Electrolyte
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