A heat recovery ventilator is more energy efficient than a balanced ventilation system consisting of an exhaust blower and a supply air blower because:
A) It recovers energy from the system blower. B) It recovers energy from the compressor.
C) It recovers energy from the attic. D) It recovers energy from the exhaust air.
D
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Is a thin-bed mortar a pre-blended and ready-to-use mortar or is it prepared by on-site mixing of various ingredients?
What will be an ideal response?
The high-strength steel cables used in posttensioned concrete construction are called _____.
a. stringers b. bands c. tendons d. stays
Examples of breeds of draft horses include:
A. Belgian, Shire, Percheron B. Clydesdale, Hackney, Thoroughbred C. Percheron, Arabian, American Standardbred D. Morgan, Appaloosa, Lipizzan E. Paso Fino, American Quarter Horse, Mustang
A vehicle is equipped with rear disc brakes. What type of parking brake could it have?
A) An actuator assembly inside the caliper B) Brake shoes inside the rotor hat C) Either A or B D) Both A and B