Messages Statement one The same emergency fire requirements apply to both a building site and a building that has been Questi 11 Questi 12 Questi completed and is occupied 13 Questi 14 Statement two Questi If a site will be occupied during the hours of darkness and a scaffold is designated as an emergency escape route, emergency lighting will be required on the scaffolding a) Statement one is true and statement two is incorrect b) Statement two is correct and is the result of applying statement one c) Both statements are incorrect d) Statement one and two are correct actclass.co.uk Submit Answers

7.C. Which of the following statements about bonding is true?A. The joint or termination must offer opposition in the circuit for effective electrical connections.B. Effective bonding keeps impedance high if a fault should occur.C. The entire electrical safety circuit is only as good as its strongest bonded link.D. Bonding connections must endure high levels of fault current until overcurrent protective devices can operate. 7.b. Which of the following is required with a low-voltage incandescent lamp that's operating on a standardservice?A. PhosphorsB. Argon gasC. A step-down transformerD. A ballast 7.a. The ordering code for a large incandescent lamp provides information on theA. lamp power requirement, bulb type and size, and sometimes lamp color.B. lamp power requirement, bulb size and special features, and sometimes filament type.C. lamp voltage, bulb type and size, and sometimes lamp color.D. lamp voltage, bulb size and special features, and sometimes filament type.

Deisgn a counter that counts cars coming in and out of a barriered car park that then closes the car park when 80 cars are within.

Question 3: Suppose an engineer designed a fire alarm system for a large warehouse, with multiple pushbutton switches connected to a single alarm siren: Siren Actuating any of the normally-open switches results in the alarm sounding. So far, so good. Now, suppose that one of the wires connecting one side of several switches to the rest of the circuit breaks open. What will the result of this failure be? Siren break!