A power pump is shut down by: Switching it off. D Opening all the pump valves. D Running it as low load or no load for 10 or 15 minutes to cool the engine. Shutting down the driver.

The number of poles a switch has refers to the number of separate circuits the switch can control at one time. True False

__ can be used for pump packing. Cast iron rings. Cup leathers. Fiber rings. All of these.

Each compressor __ cylinder must be protected by a temperature safety high sensor. Intake. Discharge.

The fall protection system that physically stops a worker from reaching an unprotected edge of a platform is: Fall arrest Safety monitor system Fall restraint Warning line

7.) Technician A says that a hall-effect sensor can be used as a camshaft position sensor. Technician B says that hall-effect sensors generate a digital signal as the timing windows/vanes pass though a magnetic field. Who is right? OA. A only OB. B only OC. Both A and B OD. Neither A nor B

The rotor turns because of: Select one: A. The induced cyclonic effects created by the proximity of the rotor to the stator. B. The directional spin of the electrons in the rotor winding. C. The repulsion and attraction between the poles of the rotor and stator. D. The directional spin of the electrons in the stator windings.

What item must accompany any commercial load and will tell you what the material is and its hazards level? NFPA 704 sign Shipping papers HAZWOPER certificates Container markings and colors

Which of the following sensors might be best diagnosed using an AC voltmeter? Lambda sensor Throttle position sensor Camshaft position sensor Engine coolant temperature sensor

During your inspection of the fluorescent fixture you notice blackened ends on one or more of the tubes, what does this indicate? Bad tube None of the above Bad fixture Bad ballast

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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