To move the grease into the fitting, a grease gun uses ________
A) a heater to melt and apply the grease
B) hydraulic pressure from the small pump in the gun
C) pneumatic pressure from the small pump in the gun
D) a battery-operated small pump
B
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Technician A says that a green 9-pin J1939 DLC must be used to connect to a post-2014 truck powertrain data bus. Technician B says that the green 9-pin J1939 DLC cannot connect to a pre-2103 data bus. Who is correct??
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
Rather than using a direct connection to the motor through a speed sensor to control the output to the motor, a(n) ____________________ measures the different components of the current delivery to the motor.
Fill in the blank(s) with the appropriate word(s).
An engine block is being fitted with studs. Technician A says that the tightening torque in the installation instructions is for the stud and not the nut. Technician B says that if a thread locker is used, be sure to immediately install the main bearing caps before the compound cures to help avoid misalignment. Who is right?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Water circulating pumps are rated by
A) flow and head pressure B) head pressure C) flow D) wet and dry capacity