In an ohmmeter, the needle at resting point means infinite resistance; the needle at full deflection means what type resistance?
A. Total
B. Zero
C. Internal
D. Small
B
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An insulated compressor is used to pressurize N2 gas from 100 kPa to 1200 kPa. The nitrogen enters at 20°C, and exits at 380°C. The mass flow rate of the nitrogen is 0.25 kg/s. Determine the power required to operate the compressor.
Given: P1 = 100 kPa; T1 = 20°C; P2 = 1200 kPa; T2 = 380°C; m?= 0.25 kg/s; N2 (Take State 1 as the inlet, State 2 as the outlet.) Assume: Q?=0 (insulated). For a compressor, assume steady-state, steady-flow, single-inlet, single-outlet flow, with ?KE = ?PE = 0 What will be an ideal response?
Site work is typically found in which section of the specifications (indicate the CSI classification number)?
What will be an ideal response?
Ferrous metals include:
A) Cast iron B) Wrought iron C) Stainless steel D) All of the above
What is the largest decimal number that can be represented using five binary bits?
A) 32 B) 63 C) 64 D) 31