Kirchhoff's junction law says that the total current into a junction must equal the total current leaving the junction.

a. True

b. False

What characteristics make a good bobsledder?

The change in specific internal energy depends on the path of a process. a) - True b) - False

When it has been determined that an AC system has a low refrigerant charge what should be done

A house is losing heat at a rate of 1700 kJ/h per °C temperature difference between the indoor and the outdoor temperatures. Express the rate of heat loss from this house per K, °F, and R difference between the indoor and the outdoor temperature.

An animal shelter spends $4.00 per day to care for each bird and $7.00 per day to care for each cat. Alyssa noticed that the shelter spent $194.00 caring for birds and cats on Thursday.

Pressurized steam at 400 K flows through a long, thin-walled pipe of 0.6-m diameter. The pipe is enclosed in a concrete (stone mix) casing that is of square cross section and 1.75 m on a side.

If traffic is approaching on your left and there is a child riding a bike to your right, you should: A. Move closer to oncoming traffic B. Move closer to the bicyclist C. Pull over until the road is clearer

Alloy parts were cast with a sand mold that took 160 secs for a cube-shaped casting to solidify. The cube was 50 mm on a side. (a) Determine the value of the Chvorinov's mold constant.

Critically analyse a common engineered product in terms of the materials used, the processes required to manufacture the product, and the historical context of the material leading to its present form

Given an unsorted array of distinct positive integers A[1 ... n] in the range between 1 and 10000 and an integer i in the same range. Here n can be arbitrary large. You want to find out whether there are 2 elements of the array that add up to i.