Engineering, 27.04.2021 16:20 pmgpmgutube
1. A metal axle has a weight of 30 lb and a volume of 12 lb/in^3. Calculate the density of the axle. 2. A wooden block has a density of 2.5 g/cm^3 and a volume of 32 cm^3. Calculate the mass of the block.
Answers: 1
Engineering, 04.07.2019 16:10
The force on a cutting tool are 2600n vertically downward and 2100 horizontal. determine the resultant force acting on the tool and the angle at which it acts.
Answers: 1
Engineering, 04.07.2019 18:10
Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise
Answers: 3
Engineering, 04.07.2019 18:20
Along 8-cm diameter steam pipe whose external surface temperature is 900c connects two buildings. the pipe is exposed to ambient air at 70c with a wind speed of 50 km/hr blowing across the pipe. determine the heat loss from the pipe per unit length. (b) air at 500c enters a section of a rectangular duct (15 cm x 20 cm) at an average velocity of 7 m/s. if the walls of the duct are maintained at 100c. a) the length of the tube for an exit temperature of the air to be 40 0c. b)the rate of heat transfer from the air. c) the fan power needed to overcome the pressure drop in this section of the duct.
Answers: 1
Engineering, 04.07.2019 19:10
The short distance from the objective lens to the object causes problems at high magnification. which of the following is the most serious? a. cleaning the object surface b. positioning the object c. reflection from the object surface. d. illumination of the object
Answers: 1
1. A metal axle has a weight of 30 lb and a volume of 12 lb/in^3. Calculate the density of the axle....
Social Studies, 09.02.2021 01:00
Mathematics, 09.02.2021 01:00
Mathematics, 09.02.2021 01:00
Mathematics, 09.02.2021 01:00
Mathematics, 09.02.2021 01:00
Mathematics, 09.02.2021 01:00
Mathematics, 09.02.2021 01:00
Mathematics, 09.02.2021 01:00
History, 09.02.2021 01:00
Mathematics, 09.02.2021 01:00