For pneumatic tools, what is installed at the end of an air line to remove moisture? Answer A Air-line lubricator Answer B Filter Answer D Exhaust port Answer C Oil reservoir
Pilot-duty overloads operate like: Relays. Contactors. Motor Starters. All of these.
Match the basic components of a nuclear reactor with their descriptions. 1. slows down neutrons 2. absorb emitted neutrons 3. mass of unstable atoms 4. concrete and lead enclosure 5. energy transfer medium square moderator square control rods square nuclear fuel square coolant square shield
When you're about energize a electrical breaker you should stand right in front of the gear. True False
Heavy duty relays are not suitable as switching relays because they have: Larger contacts with more resistance. Smaller contacts with more resistance. Smaller contacts with less resistance. Larger contacts with less resistance.
What should you check in the fuel system during maintenance? A) The air filter B) The spark plugs C) The fuel lines D) The transmission fluid
Which type of compressor does not have mechanically separated inlet and discharge ports? Centrifugal Dry-rotary screw Sliding vane Wet-rotary screw
The use of different steel strengths, aluminum, or other materials affects the collision-energy management of the vehicle structure. A) True B) False
After a system has been properly balanced, how often should balancing dampers be adjusted? a. Every 5 years. b. Every 3 years C. Annually d. Once properly balanced the balancing dampers should never have to be touched again.
How is the spool two-way valve similar to the poppet two-way valve? Spring offset position blocks air flow Valves are normally open Valve actuation closes air flow paths Spools are positioned off center
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
