Why isn't a shock from static electricity, which can be thousands of volts, lethal?_____________________________________________________________________
What will be an ideal response?
Because the amount of current is limited.
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Technician A says placing the turbocharger close to the exhaust helps its efficiency. Technician B says the turbocharger shaft may turn at speeds in excess of 100,000 rpm. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
In a standard bathroom, a water closet must be 21" from the center line of the fixture.
Answer the following statement true (T) or false (F)
(a)Find the horizontal deflection at joint B produced by the 40-kip load in Figure P8.14. The area of all bars is shown on the sketch of the truss; E = 30,000 kips/in. 2 . (b) To restore joint B to its initial position in the horizontal direction, how much must bar AB be shortened? (c) If the temperature of bars AB and BC increases 80°F, determine the vertical displacement of joint C. ? t = 6.5 × 10 ?6 (in./in.)/°F. The rocker at support A is equivalent to a roller.
The transpiration ratio of a native meadow is 550 kg per kg of dry matter produced. If 4 Mg of dry matter is produced on a hectare of land, how many centimeters of water will be required (rounded to the nearest cm)?
A) 22 B) 14 C) 46 D) 220 E) not possible to calculate