Which statement best describes torsion bar suspension systems?
What will be an ideal response?
They must be replaced in pairs
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The basic diet for hamsters and gerbils should be good-quality _____
a. sunflower seeds b. rodent blocks c. sweetened trail mix d. unshelled peanuts
? Queen Liliuokalani
What will be an ideal response?
A piezoelectric crystal 1cm2 in area and 0.1cm thick has been subjected to a force. Two metal electrodes measure the changes in the crystal. Young’s modulus of the material = 9×1010Pa. Charge sensitivity is 2pC/N, relative permittivity 5, and the applied force is 0.01N.
Find the voltage across the electrodes. Find the change in crystal thickness. What will be an ideal response?
The condition in which a flame goes out and burns back inside the torch is known as a _____
a. flashback b. backfire c. backlash d. vapor lock