The operating temperature within a fixture is a primary factor in the selection of a __ shield drain channel wire assembly cable fixture wire

The minimum free conductor length for making connections to wiring devices specified by the NEC@ is __ 4''(100mm) 6''(150mm) 8''(200mm) 12''(300mm)

06/12 How often should you inspect PPE? Monthly Weekly Daily Each time you put it on

Which of the following describes Type FCC cable? Fine conductive cable Flat conductor cable Fixture cable circuit Fine concentric copper

Technician A says that disconnecting battery power may cause the vehicle to not start due to a loss of security system memory.Technician B says that some radios may not function after removing battery power and will need a dealer provided code to reinitialize. Who is correct? a. Technician A b. Technician B c. Both Technician A and Technician B d. Neither Technician A nor Technician B

Class K fires are fires in cooking appliances that involve combustible cooking media. A. True B. False

Which of the following would be considered a repair task? Calibrating test equipment Checking drive belt tension Inspecting cable terminations Replacing a blown fuse

58. Which of the following will reduce the ripple voltage in a full-wave rectifier circuit? Adding zener diodes in series with the load Adding zener diodes in parallel with the load Adding capacitors in parallel with the load Adding capacitors in series with the load

Fire alarm systems can detect all of the following EXCEPT: carbon monoxide heat oxygen smoke

You're getting ready to stack a bunch of loose bricks . What's the best way to do it? Don't stack them more than 7 feet high and start narrowing the stack at 4 feet. Make sure the stack is twice as wide as it is tall. Stack them next to a wall and angle the stack toward it. Don't stack them more than feet wide.

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Question Three (a)A water heater is to be installed in a bathroom Specify the; (i)Mounting height for its switch. (02 marks) (ii)Rating current for its protective device. (iii)Size of the cable to b e used for its installation. (02 marks) (b)If the supply of the water heater in 3(c a), is from a two-way consumer's unit.draw it's; (02 marks) (i)Block diagram. (06 marks) (ii)Wiring diagram. (08 marks) Question Four You have been given a task to install earthing system in a new building As a trained technician; (a)List four factors you will consider when selecting a site for the above installation. (b)Describe two methods you will use to improve the conductivity of the earthing. (04 marks) (04 marks) (c)Name four materials and two tools you will need to carn out the task. (06 marks) (d)Explain a step -by-step procedur e you wil I follow to carry out the task. (06 marks) Question Five (a)Define the following terms as applied to lightning protection. (i)Down conductor (02 marks) (ii) Air termination (02 marks) (iii)Test ioint (02 marks) (iv)Zone of protection (02 marks) (b)Identify four types of buildings which require protectior from lightning. (c)with the aid of diagram show the zone of protection offered by two vertical lightning protection system. (08 marks) (04 marks)

Chain slings cannot be damaged by heat. True False

During welding preparations what should be set up around the welding area? are blowers flash shields cotton curtains oxygen cylinders

Before engaging the PTO switch you should make sure that the controls are in neutral position. True False

What is a benefit of a grounded electrical system for workers? A. It prevents power outages in the building B. It eliminates the risk of electrical shock entirely C. It provides a safe path for current to flow in case of a fault, reducing the risk of shock D. It allows workers to touch live wires without harm

What is the minimum sire standard main breaker required for a farm building service where the expected simultaneously operated load is 118 amperes? 90 amperes 100 amperes 110 amperes 125 amperes

What is a potential hazard when working with electricity? A. Improved productivity B. Increased employee satisfaction C. Electrical shock D. Faster project completion

When you add radiator fluid to the reservoir,how full should it be? Select the correct answer and click Submit. ) Up to the "Full"mark Up to the very top of the reservoir Up to the "Add"mark

Where is the transmission dipstick normally located on a rear-wheel drive vehicle? Select the correct answer and click Submit. At the rear of the engine near the firewall Directly above the steering column and in the middle of the engine At the front of the engine

What is one factor that can wear out your vehicle's belts and hoses? Select the correct option and submit. Consistent temperatures Dirt and debris Humidity Too much cleaning