A container of R-134a has a pressure of 70 psig. What is its approximate temperature?

a.85 degrees Fahrenheit
b.95 degrees Fahrenheit
c.70 degrees Fahrenheit
d.105 degrees Fahrenheit


c.70 degrees Fahrenheit

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Heat is transferred to the piston of Problem 3 until the steam is a saturated vapor (it rises more than 2 m). The required heat transfer is nearest:

A) 4100 kJ B) 3700 kJ C) 3100 kJ D) 2600 kJ

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All of the following statements are true EXCEPT:

A. a knock sensor has a piezoelectric crystal sensing element that senses vibration and creates a voltage signal of 100 to 200 mV. B. an oxygen (O2) sensor is a variable DC voltage generator. C. pulse generators are signal generators. D. in a variable AC voltage generator, a magnetic pickup generates an AC analog signal with a positive and negative sine wave.

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Where in a room are electric baseboard heaters normally placed?

What will be an ideal response?

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What type of balance is achieved if the weight in a tire and wheel is distributed equally in relation to the tire centerline viewed from the front?

What will be an ideal response?

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