How are vents and fans utilized? They sound the alarm in case of fire. They create oxygen They create airflow through the enclosure. They allow firefighters to communicate with one another in case of a fire.

Leaving a backing strip on a weld may cause it to fail due to __ concentrations of stresses along the backing strip chemical reactions between silicon dioxide in the weld and the backing strip adhesive wear and tear on the backing strip decreased penetration and increased burn-through

The impact resistance (drop ball) certification is required for __ Alcohol Sunglasses Windshields X-ray equipment

A penny can be used to: loosen lug nuts jump a dead battery make a decision measure the tread depth on your vehicle's tires

Liquidtight flexible nonmetallic conduit is subject to which of the following limitations? It can become brittle in extremely cold temperatures. It cannot be used in direct sunlight, unless marked for this application. Both of these choices are limitations.

To what extent is the throttle plate spring loaded to hold the throttle slightly open? Select one: A. 8% to 10% B. 22% to 28% C. 16% to 20% D. 3% to 5%

What type of electric motor is the throttle plate actuator motor? Select one: A. AC motor B. Brushless motor C. DC motor D. Stepper motor

What type of electric motor is the throttle plate actuator motor? Select one: A. AC motor B. Brushless motor C. DC motor D. Stepper motor

6. Our fire extinguishers are an ABC type even in the kitchen. True False

What is the recommended angle for placing a ladder against a building to ensure safety? a) 30 degrees b) 45 degrees c) 75 degrees d) 90 degrees

Hot Questions

9 Multiple Choice 1 point Which of the following is not a measurement function of a DMM? Pressure Voltage Continuity Resistance

An oilless lubricating system uses a well or reservoir in the end bell. A True B False Question 8 Which of the following statements about replacement capacitors is false? A They should have the same capacitance value as the original. B They should have a capacitance value up to $25\% $ greater than the original. C They should never be undersized. D They may have a capacitance value up to $10\% $ greater than the original.

Split-phase motors use a(n) __ to disconnect the start windings as the motor approaches running speed. A unloader B VFD C squirrel cage rotor D centrifugal switch Question 12 On a capacitor-start,induction-run motor, a centrifugal switch or relay disconnects __ when the motor reaches about $75\% $ of its rated speed. A the start winding only B the start capacitor only C both the start winding and start capacitor D both the start capacitor and run capacitor

Just before lifting off a rotary wing pilot must check the weather at the scene for a medical transport. In addition the pilot must also: Know the condition of the patient. Check the weather at the receiving hospital. Inventory all equipment on board the aircraft. Know the experience of the crew setting up the landing zone.

Advantages of ECMs include the following, except __ A ability to maintain constant airflow B easily replaceable brushes C efficient performance D variable speed Question 22 Important motor information such as rated voltage time rating, insulation class frequency, phase, and horsepower can be found on the __ A motor frame B motor nameplate C bearings D shaft

Which type of discontinuity is NEVER visible during visual inspection? underbead cracking porosity toe cracks undercut

The NEC in Table 210.24 shows that the minimum conductor size for branch-circuit wiring is __ 16 AWG 20 AWG 18 AWG 14 AWG

424170 What is the minimum number of trenches that should be dug across a truck-bed, railcar, or barge to acquire a representative sample? 3 (three) 4 (four) 5 (five) 7 (seven)

Nickel alloys should not be heat-treated. Select one: True False

The operator interface audible alarm sounds when there is a hydrogen event. Select true or false. True False