What does design matrix mean? In statistics, a design matrix, also known as model matrix or regressor matrix and often denoted by X, is a matrix of values of explanatory variables of a set of objects. Each row represents an individual object, with the successive columns corresponding to the variables and their specific values for […]
What does DHCP configure?
What does DHCP configure? Dynamic Host Configuration Protocol (DHCP) is a client/server protocol that automatically provides an Internet Protocol (IP) host with its IP address and other related configuration information such as the subnet mask and default gateway. What will happen if there are multiple DHCP servers on a network? What would happen if there […]
How many #12 wires are in a 4 square deep box?
How many #12 wires are in a 4 square deep box? Table 314.16(A) permits a maximum of nine 12 AWG conductors in a 4-inch square box that is 1 1/2 inches deep. How do you calculate electrical box fill? Step 1: Determine the number of each size conductor. All equipment-grounding conductors count as one conductor, […]
What formula relates work and power?
What formula relates work and power? Force must act in the same direction as the object moves 14.1 Assessment Page 10 Question #2 What formula relates work and power? Power = Work / Time 14.1 Assessment Page 11 Question #3 A desk exerts an upward force to support a computer resting on it. What is […]
What is the biochemical basis of rigor?
What is the biochemical basis of rigor? The biochemical basis of rigor mortis is hydrolysis in muscle of ATP, the energy source required for movement. Without ATP, myosin molecules adhere to actin filaments and the muscles become rigid. How is rigor mortis related to muscle contraction? The muscles remain in the contracted state until adenosine […]
Can anyone solve a Rubiks cube?
Can anyone solve a Rubiks cube? It took Erno Rubik (the inventor of the Rubik’s Cube) one month to learn how to do a Rubik’s Cube. Getting help with solving the Rubik’s Cube is not cheating. There are 42 Quintillion possibilities, but only one correct solution. Hence without knowing how to solve a Rubik’s Cube […]
What are the major properties required of cutting tool materials Why?
What are the major properties required of cutting tool materials Why? What are the key characteristics that a cutting tool must have and why? Hot hardness, so that hardness, strength, and wear resistance of the tool are maintained at the temp encountered in machining operations. reduce friction and wear, thus improving tool life and surface […]
What is mechanical gear?
What is mechanical gear? Gears are used to transfer motion and torque between machine components in mechanical devices. Depending on the design and construction of the gear pair employed, gears can change the direction of movement and/or increase the output speed or torque. Which gear is the driving gear? A small gear (Y) driving a […]
What is some examples of ductility?
What is some examples of ductility? Ductility is the physical property of a material associated with the ability to be hammered thin or stretched into wire without breaking. A ductile substance can be drawn into a wire. Examples: Most metals are good examples of ductile materials, including gold, silver, copper, erbium, terbium, and samarium. What […]
What are the 5 steps in decision making process?
What are the 5 steps in decision making process? Step 1: Identify the decision. You realize that you need to make a decision. Step 2: Gather relevant information. Step 3: Identify the alternatives. Step 4: Weigh the evidence. Step 5: Choose among alternatives. Step 6: Take action. Step 7: Review your decision & its consequences. […]