What does it indicate if coil symbols are used for overloads, not heater symbols, in a schematic?
What will be an ideal response?
ANSWER: This indicates that the overload relays are magnetic, not thermal.
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Air enters an uninsulated nozzle at 5 m/s, 500 kPa, and 50°C. The cross-sectional area of the inlet is 0.0002 m2. The air exits at a velocity of 120 m/s and a temperature of 48°C. Determine the heat transfer rate for the nozzle.
Given: Air, P1 = 500 kPa; T1 = 50°C = 323 K; V1 = 5 m/s; A1 = 0.0002 m2; V2 = 120 m/s; T2 = 48°C = 321 K What will be an ideal response?
The ram air that enters the vehicle from the outside enters the HVAC system from ________.
A) The base of the windshield B) Behind the grill C) Beside the headlight D) The side vents
Standard dimensions for structural steel shapes are published by the American Institute for Steel Construction (AISC) ____.
A. National Steel Code B. Steel Construction Code C. National Steel Manual D. Manual of Steel Construction
Insulated concrete forms (ICFs) are used to provide an energy-efficient wall framing system for an entire structure, where poured concrete is placed in expanded polystyrene (EPS) forms that are left in place to create a super insulated concrete wall system.
Answer the following statement true (T) or false (F)