What can a user see for Binder Jetting (BJ) prints with the use of stress gradients? where a print will have the most or least color where a print might need more or less material where a print will be mechanically functional where a print will need chemical additives

Which is an example of the type of work a scientist would do? A Design a roller coaster B Construct a prototype for a satellite C Develop a lighter material for bike frames D Observe the migration and flight path of birds

What type of metering device do most packaged water source heat pumps use? Select one: A. Single orifice style metering device B. Single capillary tube C. Single bi-flow thermostatic expansion valve D. Single low-side float control

How does feedback control a system? Negative and positive feedback work against each other to destroy systems. Negative feedback amplifies a previous change that positive feedback corrects. Positive feedback amplifies a previous change that negative feedback corrects. Positive feedback causes stability, and negative feedback causes change.

What are some considerations when selecting materials for beam blocks and beam dumps? (Choose all that apply) A) Optical density B) Thermal load C) Damage threshold D) Weight E) Reflectivity

Which component will you only find on a diesel engine? Glow plugs Camshafts. Injectors. Oil pump.

The lowest tolerance of O_(2) administration in a system is __ 20% 40% 30% 70%

A(n) __ (non-CAN-bus) circuit is a simple light bulb in series with as many as four switches that are connected in parallel with one another. Select one: a. Electronic brake warning lamp system b. Mechanical brake warning lamp system c. Pneumatic brake warning lamp system d. None of the answers listed

What method is used to provide power to newly installed PoE devices? Injector method Switch method Port method Wireless method

What is the minimum number of reflections required on the rear of every trailer? Three Two Four One

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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