As the velocity of the fluid increases, the resistance of the unshielded thermistor sensor head in a thermal flow meter __________.
A. decreases
B. increases
C. stays the same
Answer: B
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____________________ is the number of live pigs farrowed in a litter.
Fill in the blank(s) with the appropriate word(s).
A gilt should have at least how many functional nipples on each side?
A. 3 B. 6 C. 7 D. 10
Two technicians are discussing the metering valve in a front-disc, rear-drum braking system. Technician A says the metering valve delays application of the front brakes. Technician B says the metering valve delays the application of the rear brakes. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Which statement about gas-fired infrared heaters is correct?
a. A reverberator is used to reduce carbon monoxide emissions. b. Low-intensity heaters use submerged-flame burners. c. Safety devices and controls are similar to those on gas furnaces. d. Gas-fired infrared heaters cannot be used in garages.