To pursue a career in math, science, or engineering, which of the following subjects should you study?Select all that apply. (2 points) algebra chemistry physics programming
An advanced procedure in cleaning a bolt action rifle is: Removing the firing pin assembly from the sleeve Removing the detachable magazine Removing the bolt from the receiver Cleaning the chamber with a chamber tool kit
A device used to change direct current (DC)to alternating current (AC) Transformer. Converter Rectifier. Filter.
18. The maximum size of a shaded -pole motor is about A. 1/10 B. 1/100 HP C. 1/25 HP D. 1/4 HP.
Leaks in commercial refrigeration systems must be repaired if they have an annual leak rate of: Select one: A. 15 percent of the charge per year. B. 25 percent of the charge per year. C. 35 percent of the charge per year. D. 10 percent of the charge per year.
A feeder consists of all circuit conductors located __ within a panel board or junction box within the main branch line and the overcurrent device between the service equipment, a power supply source, and the final branch-circuit overcurrent device along a fitting
Which fiber optic test Instrument uses backscattered light for measurements? Select one: a. OLTS b. OTDR c. Tracer d. VFL
How are common-grade stainless steels classified? by their grain structures by their matrix structures by their cellular structures by their chemical structures
TRUE OR FALSE? If a battery tips over, it is okay to clean up with a rag and throw it away in the trash. True False
32. Brakes out of adjustment will: Work properly. Cause some of the brakes to overwork and malfunction. Allow better acceleration.
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
