Given the following choices, one end or the other of a hip jack rafter connects to a ________ or a ________
A) Valley rafter, ridge board B) Cripple jack rafter, ridge board
C) Ridge board, wall plate D) Wall plate, hip rafter
D
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What is true regarding protective gloves worn during HV system service?
A) Leather gloves are worn over the rubber gloves to protect the rubber from damage B) Rubber gloves should be checked for leaks before each use C) Both A and B D) Neither A nor B
What causes the nitrogen and the oxygen in the air to combine and form oxides of nitrogen NOX?
A) Sunlight B) Heat above 2500°F (1370°C) C) Any spark D) Chemical reaction in the catalytic converter
Under which of the following conditions will an overcurrent condition develop in an AC drive?
A. The physical load the motor is driving becomes excessive. B. The starting inertia of the load is too high and the acceleration time is too short. C. A short develops in the motor winding. D. A component in the inverter section shorts. E. All of the above are correct.
An electrical contractor receives the following quantities of Braidx cable during the first quarter of the year: January, 7,500 feet; February, 10,750 feet; March, 4,500 feet. Find the total number of feet of Braidx cable received.
Fill in the blank(s) with the appropriate word(s).