A helicopter is lifting an 800-pound unit at a rate of 200 feet per minute. How many horsepower of work energy is the helicopter using in the process?
A. 3.863 hp
B. 4.517 hp
C. 4.848 hp
D. 5.209 hp
Answer: C
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________ is about twice as fast as P-MOS
Fill in the blank(s) with correct word
Which of the following would not be a factor considered in a load chart configuration?
a. Boom length, boom angle, and load radius b. Jib boom installed or stowed c. Counterweight configuration d. Type of boom controls
The major disadvantage of cast-iron pipe is that it _____.
a. absorbs water easily b. transmits water noises c. is easily broken d. is expensive
A parallel plate capacitance transducer uses plates of area 500 mm which are separated by a distance of 0.2mm.
(i) Calculate the value of capacitance when the dielectric is air having a permittivity of 
.
(ii) A linear displacement reduces the gap length to 0.18mm. Calculate the change in capacitance.
(iii) Calculate the ratio of per unit change of capacitance to per unit change in displacement.
(iv) Suppose a sheet of mica 0.01mm thick is inserted in the gap. Calculate the value of original capacitance and change in capacitance for the same displacement. The dielectric constant of mica is 8 [C = A/d].
What will be an ideal response?