An advantage a transit-level has over a builder's level when locating building corners is ________
A) The scope of a transit-level moves side-to-side, but a builder's level scope does not.
B) A transit-level allows the scope to pivot up and down to easily set corners.
C) A builder's level cannot be used to square building corners after they have been located.
D) A transit-level requires fewer workers to operate than a builder's level does.
B
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OSHA standards provided specifically for the construction industry are covered in _____.
a. 29 CFR 1900 b. 29 CFR 1910 c. 29 CFR 1926 d. 29 CFR 1965
In a parallel LC circuit, the voltage across the branches is _____.
a. 70.7% of the true power b. the same as the applied voltage c. 90° out of phase d. 180° out of phase
A dc series motor runs a constant-torque load. The terminal voltage of the motor is 200 V, the speed is 500 rpm, the armature current is 25 A, the armature resistance is 0.2 ?, and the field resistance is 0.6 ?. If the armature is shunted by a 10 ? resistance, what is the speed of the motor?
What will be an ideal response?
In perimeter applications using the variable-air-volume system, the primary air handler provides
A) variable volume and constant temperature. B) variable volume and heating only. C) constant volume and cooling only. D) constant volume and constant temperature.