What is the name of the flexible coupling that allows two shafts to join and allow plunging?
A) Plunge joint B) U-joint C) Pot joint D) None of these
C
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The difference between Type B and C variable spring can supports is the number of _____.
a. lugs for installation b. springs c. coupling rods d. load indicators
When two or more substances are mixed, the resulting chemical reaction always gives off heat
Indicate whether the statement is true or false.Traffic flow on a three-lane (one direction) freeway can be described by the Greenshields model. One lane of the three lanes on a section of this freeway will have to be closed to undertake an emergency bridge repair that is expected to take 2 hours. It is estimated that the capacity at the work zone will be reduced by 30% of that of the section just upstream stream of the work zone. The mean free flow speed of the highway is 55 mph and the jam density is 135 veh/mi/ln. If it is estimated that the demand flow on the highway during the emergency repairs is 90% of the capacity, using the deterministic approach, determine: (i) The maximum queue length that will be formed (ii) The total delay (iii) The number of vehicles that will be affected by the incident (iv) The average individual delay
What will be an ideal response?
A given circuit using an RC integrator to turn on after 20 seconds now takes now takes much longer to turn on. What is the most probable cause?
A) The resistor has decreased in value. B) The capacitor has increased in value. C) The capacitor has decreased in value. D) The resistor has opened.