What is a shore and which material is it made of?
What will be an ideal response?
A vertical post to support the formwork is called a shore. Shores are made of wood or steel pipes.
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In order to permit the emergence of the maximum number of photons in an LED, the conducting surface _____.
a. is given a forward bias b. is given a reverse bias c. connected to the P-type material is much smaller d. connected to the N-type material is much smaller
In simple beams, stirrups are used to resist _____
a. diagonal tension b. upward thrust c. compression stress d. metal fatigue
Why are butane lighters dangerous in a shop environment?
A. Metal parts can cause electrical shorts. B. Butane reacts explosively with certain automotive fluids. C. Most butane lighters leak. D. They are an extreme explosive potential.
In a 555 timer, if pin #____ is connected to Vcc through a variable resistor, the on time becomes longer.
a. 5 b. 6 c. 7 d. 8