Spores send tubes called ____________________ down into the leaf to extract nutrients
Fill in the blank(s) with correct word
hyphae
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Which type of valve guide is most used in a cast-iron head?
A) Integral B) Bronze C) Thin-wall sleeve type D) Powdered metal (PM)
Answer the following statement(s) true (T) or false (F)
1. The value of fluid bulk modulus shows how easily the volume of the fluid can be reduced when the pressure acting on it is increased. 2. The modulus of rigidity is a measure of how easily a material can be twisted or sheared. 3. Linear impulse represents the net effect of a force acting over a period of time and brings about a change in the linear momentum of the object. 4. Mechanics deals with the study of behavior of objects or structural members when subjected to forces.
How does the water vapor from the lithium bromide solution return to the evaporator?
A) It condenses in the heat exchanger. B) It condenses in the chiller. C) It passes through the condenser. D) It passes through the chiller.
How does atmospheric pressure and a vacuum relate to manometers?
A) A manometer may use a vacuum and atmospheric pressure to operate. B) The manometer equalizes pressure of a vacuum. C) A manometer checks pressure greater than atmospheric pressure. D) The manometer can detect a vacuum at absolute pressure.