What is a troublesome aspect of planting flowers for children?
What will be an ideal response?
They attract bees.
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What is the velocity of the steam at the nozzle exit, and what is the exit diameter?
Steam flows at steady state through a converging, insulated nozzle, 25 cm long and with an inlet diameter of 5 cm. At the nozzle entrance (state 1), the temperature and pressure are 325°C and 700 kPa and the velocity is 30 . At the nozzle exit (state 2), the steam temperature and pressure are 240°C and 350 kPa. Property values are:
____ halters are made of braided cotton. They are strong, relatively inexpensive, and readily adjustable.
A. Nylon B. Shipping C. Rope D. Leather
When removing a threaded valve to replace it or repair it, the pipe should be cut _____.
a. downstream of the valve b. upstream of the valve c. at the face of the valve d. after the valve is removed
Provide four tips on proper hacksaw usage.
What will be an ideal response?