In Philippines, grassland is called the ____
A) protero
B) pampas
C) kogonales
D) veld
C
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Evaluating a project and compiling a list of lessons learned is part of a _____ meeting.
a. turnover b. bid review c. full team d. post-project
Which of the following has the capacity range for a centrifugal compressor?
A) Appliance B) Commercial AC C) Refrigeration D) Residential AC
A surface that is parallel to the plane of projection is said to be a _____________ surface
Fill in the blank(s) with correct word
The armature, frame, and core of a 12-VDC control relay are made of sheet steel. The average length of the magnetic circuit is 12 cm when the relay is energized, and the average cross section of the magnetic circuit is 0.60 cm2. The coil is wound with 250 turns and carries 50 mA.
Determine: a. The flux density B in the magnetic circuit of the relay when the coil is energized. b. The force F exerted on the armature to close it when the coil is energized.