____ are used to secure and lift a load.
A. Chains
B. Slings
C. Straps
D. Ropes
Answer: B
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Answer the following statement(s) true (T) or false (F)
Sixty-four independent measurements were made of the speed of light. They averaged 299,795 km/s and had a standard deviation of 8 km/s. a. A 95% confidence interval for the speed of light is 299,795 ± 1.96 km/s. b. The probability is 95% that the speed of light is in the interval 299,795 ± 1.96. c. 95% of the measurements were in the interval 299, 795 ± 1.96. d. If a 65th measurement is made, the probability is 95% that it would fall in the interval 299,795 ±1.96.
What controls the length of the defrost cycle on most commercial refrigeration systems?
A) The defrost timer B) The high pressure switch C) The defrost termination thermostat D) The evaporator fan motor
________ occurs when the faces of the couplings are not square with one another when viewed from the side
A) Horizontal angularity B) Vertical offset C) Horizontal offset D) Vertical angularity
Consider a fluid whose volume does not change with temperature at constant pressure. What can you say about natural convection heat transfer in this medium?
What will be an ideal response?