1. Create an empty list named grades. a) Add the following grades: 92, 51, 83, 37, 72
b) Compute the average of these grades.
Use the len method in your calculation.
c) Print the average with a precision of two decimal places.
d) Compute the location of the median grade using the len method.
e) Print the median grade using index syntax.
(this simply means that you are to reference the element using
index notation as we used in our many examples)
f) Remove all failing grades (lower then 60) from the list.
g) Print the updated list of grades.
h) Print the updated average.
Average = the sum of all elements divided by the number of elements
Median = the middle element in a list of elements

Amass of m 1.5 kg of steam is contained in a closed rigid container. initially the pressure and temperature of the steam are: p 1.5 mpa and t 240°c (superheated state), respectively. then the temperature drops to t2= 100°c as the result of heat transfer to the surroundings. determine: a) quality of the steam at the end of the process, b) heat transfer with the surroundings. for: p1.5 mpa and t 240°c: enthalpy of superheated vapour is 2900 kj/kg, specific volume of superheated vapour is 0. 1483 m/kg, while for t 100°c: enthalpy of saturated liquid water is 419kj/kg, specific volume of saturated liquid water is 0.001043m/kg, enthalpy of saturated vapour is 2676 kj/kg, specific volume of saturated vapour is 1.672 m/kg and pressure is 0.1 mpa.

The higher the astm grain-size number, the coarser the grain is. a)-true b)-false

Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer