What type of head do most sheet metal screw have?
A) Pan head B) Hex head
C) Round head D) Counter-sunk head
B
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If the length of a crankshaft throw was changed either up or down, which of the following would be directly affected?
A. engine torque B. engine rpm C. engine noise D. engine vibration
Technician A uses three prong electrical cords when possible. Technician B uses double insulated electrical tools. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Specific Gravity is defined as:
A) The time element of inertia in which a specific amount of mass times the distance can be moved. B) The ratio of mass per ft3 acting upon a given mass. C) The force of gravity applied to a cubic foot of a mass. D) The ratio of the density of a material as compared to a common material.
A(n) ____ must be used to provide a constant output voltage.
a. capacitor b. rectifier c. inverter d. regulator